| CAP | Committee on Academic Performance | In English | |
| CAP | Certificat d'Aptitude Professionnelle | In French | → Labour, labour economics |
| CAPES | Certificat d'Aptitude au Professorat de l'Enseignement Secondaire | In French | |
| CAPESA | Certificat d'Aptitude pour l'Enseignement Secondaire Agricole | In French | → Agricultural sciences |
| CAPET | Certificat d'Aptitude au Professorat de l'Enseignement Technique | In French | → Engineering, technology |
| CAPLPA | Certificat d'Aptitude au Professorat des Lycées Professionnels Agricoles | In French | → Labour, labour economics → Agricultural sciences |
| CARIF | Centre d'Animation, de Ressources et d'Information sur les Formations | In French | → Libraries |
| CARLA | Center for Advanced Research on Language Acquisition (www.carla.umn.edu) | In English | → Organizations and associations → Language, linguistics, literature |
| CATP | Certificat d’Aptitude Technique et Professionnelle | In French | |
| CATT | Central Austrian Training in Technologies | In English | → Engineering, technology |
| CCHA | Community College Humanities Association | In English | → Associations |
| CCM | Certificat de Capacité Manuelle | In French | |
| CCNP | Cisco Certified Network Professional | In English | → Computer science |
| CDDP | Centre Départemental de Documentation Pédagogique | In French | → Libraries |
| CDEFI | Conférence des Directeurs des Écoles Françaises d'Ingénieurs | In French | → Organizations and associations → Specialized or (poly)technical colleges |
| CDES | Commission Départementale d'Éducation Spéciale | In French | |
| CDES | Comité départemental d'Éducation pour la Santé | In French | → Personal health and hygiene |
| CEA | Certificat d'Études Approfondies | In French | |
| CEAV | Certificat d'Études Approfondies Vétérinaires | In French | → Zoology → Veterinary medicine |
| CEC | Continuing Education Center | In English | |
| CEC | Council for Exceptional Children | In English | → Organizations and associations |
| CED | Centre for Education & Documentation | In English | → Libraries |
| CEDEFOP | Centre Européen pour le Développement de la Formation Professionnelle | In English | → Labour, labour economics |
| CEDEM | Centro de Desenvolvimento da Educação Médica | In Portuguese | → Medicine |
| CEEI | Conselho Estadual de Educação Escolar Indígenas | In Portuguese | → Organizations and associations |
| CEEPUS | Central European Exchange Program for University Studies (www.ceepus.info) | In English | → International relations → Higher education, universities |
| CEEVN | Center for Educational Exchange with Vietnam | In English | |
| CEFA | Comitato Europeo per la Formazione e l'Agricoltura | In Italian | → Organizations and associations → 83 |
| CEFH | Centre d'Études et de Formation Hospitalière | In French | → Medicine |
| CEFIR | Centro de Formação para a Integração Regional = CEFIR | Centro de Formación para la Integración Regional | In Spanish = CEFIR | Centre de Formation pour l'Intégration Régionale | In French |
In Portuguese | → Regional planning |
| CEFIR | Centre de Formation pour l'Intégration Régionale = (look above) |
In French | → Regional planning |
| CEFIR | Centro de Formación para la Integración Regional = (look above) |
In Spanish | → Regional planning |
| CEG | Calligraphy Education Group | In English | → Writing systems → Language, linguistics, literature |
| CEGPA | Community, Education, Government and Public Affairs | In English | |
| CEIBS | China Europe International Business School | In English | → Economics → Specialized or (poly)technical colleges |
| CEL | Cours en ligne | In French | → Libraries → Higher education, universities |
| CELSA | Centre d'Études Littéraires et Scientifiques Appliquées | In French | → Specialized or (poly)technical colleges → Newspapers, journalism |
| CENAFFE | Centre National de Formation des Formateurs en Éducation de Tunisie | In French | |
| CEPAM | Centre d'Études et de Perfectionnement de l'Artisanat et des Métiers | In French | → Labour, labour economics |
| CEPCIECC | Comisión Ejecutiva Permanente del Consejo Interamericano para la Educación, la Ciencia y la Cultura | In Spanish | → International relations → Mathematics and natural sciences → Civilization, culture, progress |
| CEPE | Centre Européen des Produits de l'Enfant (http://cepe.univ-poitiers.fr) | In French | → Higher education, universities → Consumerism → Entertainment |
| CEPS | Center za študij edukacijskih strategij = CEPS | Centre for Educational Policy Studies | In English |
In Slovenian | |
| CEPS | Centre for Educational Policy Studies = (look above) |
In English | |
| CEREGE | Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement | In French | → Earth sciences → Environment, environmental sciences |
| CEREQ | Centre d'Études et de Recherches sur les Qualifications (www.cereq.fr) | In French | |
| CERFA | Centre d'Enseignement et de Recherche en Formation d'Adultes | In French | → Labour, labour economics |
| CERMICS | Centre d'Enseignement et de Recherche en Mathématiques, Informatique et Calcul Scientifique | In French | → Computer science → Higher education, universities → Mathematics |
| CERPEG | Centre de Ressources pour l'Enseignement Professionnel en Économie-Gestion | In French | → Libraries → Economics |
| CES | Certificat d'Études Supérieures | In French | |
| CEU | Central European University | In English | → Higher education, universities |
| CEVU | Conseil des Études et de la Vie Universitaire | In French | → Organizations and associations → Higher education, universities |
| CEWC | Council for Education in World Citizenship | In English | → Organizations and associations |
| CFA | Centre de Formation des Apprentis | In French | → Labour, labour economics |
| CFA | Centre de Formation d'Apprentis | In French | → Labour, labour economics |
| CFAA | Centre de Formation des Apprentis Agricoles | In French | → Labour, labour economics → Agricultural sciences |
| CFAPSE | Certificat de Formation aux Activités de Premier Secours en Équipe | In French | → Medicine |
| CFC | Conseiller en Formation Continue | In French | |
| CFECTI | Centre de Formation des Coopérants Culturels et Techniques Internationaux | In French | → International relations |
| CFES | Comité Français d'Éducation pour la Santé | In French | → Personal health and hygiene |
| CFES | Certificat de Fin d'Études secondaires | In French | |
| CFI | Crédit Formation Individualisée | In French | → Labour, labour economics |
| CFIS | Centre de Formació Interdisciplinària Superior | In Spanish | → Higher education, universities |
| CFME | Centre de Formation aux Métiers de l'Environnement | In French | → Environment, environmental sciences → Environmental technology, water supply, waste management |
| CFP | Commission de Formation Permanente | In French | → Labour, labour economics |
| CFPAJ | Centre de Formation Professionnelle Agricole pour Jeunes | In French | → Labour, labour economics → Agricultural sciences |
| CFPC | Commission pour la Formation Postgraduée et Continue = KWFB | Kommission für Weiter- und Fortbildung | In German |
In French | |
| CFPET | Centre de Formation des Professeurs de l'Enseignement Technique | In French | → Engineering, technology |
| CFPJ | Centre de Formation et de Perfectionnement des Journalistes | In French | → Labour, labour economics → Specialized or (poly)technical colleges → Newspapers, journalism |
| CFPPA | Centre de Formation Professionnelle et de Promotion Agricole | In French | → Labour, labour economics → Agricultural sciences |
| CFSA | Centre de Formation Supérieure des Apprentis | In French | → Labour, labour economics |
| CFTE | Center for Teacher Education | In English | |
| CFTE | Centre de Formation aux Techniques de l'Eau | In French | → Specialized or (poly)technical colleges → Environmental technology, water supply, waste management |
| CGE | Conférence des Grandes Écoles | In French | → Organizations and associations → Specialized or (poly)technical colleges |
| CGEA | Conduite et Gestion de l'Exploitation Agricole | In French | → Specialized or (poly)technical colleges → Agricultural sciences |
| CGU | Commission Gymnase-Université | In French | → Higher education, universities |
| CHC | Committee on History in the Classroom | In English | → History |
| CHUV | Centre Hospitalier Universitaire Vaudois | In French | → Higher education, universities → Medicine |
| CHUV | Centre Hospitalier Universitaire Vétérinaire | In French | → Higher education, universities → Veterinary medicine |
| CICESE | Centro de Investigación Científica y de Educación Superior de Ensenada (www.cicese.mx) | In Spanish | → Research institutes → Research policy → Higher education, universities |
| CIDUS | Centre d'Information et de Documentation Universitaire et Scientifique | In French | → Libraries → Higher education, universities → Mathematics and natural sciences |
| CIECC | Consejo Interamericano para la Educación, la Ciencia y la Cultura | In Spanish | → International relations → Mathematics and natural sciences → Civilization, culture, progress |
| CIEL | Cours intensifs Erasmus de langues | In French | |
| CIEP | Centre International d'Études Pédagogiques | In French | |
| CIEP | Centre International d'Études Pédagogiques | In French | |
| CIES | Centre d'Initiation à l'Enseignement Supérieur | In French | |
| CIES | Centre International des Étudiants et des Stagiaires | In French | → Labour, labour economics |
| CIES | Centro Informazione ed Educazione allo Sviluppo | In Italian | → Organizations and associations → Development |
| CIF | Crédit d'Impôt Formation | In French | → Taxes, duties |
| CIFACE | Centre International de Formation des Agents Coopérants à l'Étranger | In French | → International relations → Labour, labour economics |
| CIFE | Centro Internacional de Formación Europea | In Spanish | |
| CIFEJ | Centre International du Film pour l'Enfance et la Jeunesse | In French | → Cinema, movies |
| CIFRE | Convention Industrielle de Formation par la Recherche | In French | → Research policy |
| CILT | Center for Information on Language Teaching and Research (www.cilt.org.uk) | In English | → Organizations and associations → Language, linguistics, literature |
| CINES | Centre Informatique National de l'Enseignement Supérieur (www.cines.fr) | In French | → Computer science |
| CINVESTAV | Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (www.cinvestav.mx) | In Spanish | → Research institutes → Specialized or (poly)technical colleges |
| CIO | Centre d'Information et d'Orientation | In French | → Labour, labour economics |
| CIPUF | Carrefour International de la Presse Universitaire Francophone (www.cipuf.org) | In French | → Organizations and associations → Newspapers, journalism → Higher education, universities |
| CIRA | Contrôle Industriel et Régulation Automatique | In French | → Specialized or (poly)technical colleges → Mechanical engineering |
| CITHER | Consultation en Texte Intégral des THèses en Réseau | In French | → Knowledge management → Higher education, universities → Mathematics and natural sciences |
| CITP | Certificat d’Initiation Technique et Professionnelle | In French | |
| CIU | Consorzio Interprovinciale Universitario | In Italian | → Organizations and associations → Higher education, universities |
| CIU | Club International Universitaire | In French | → Organizations and associations → Higher education, universities |
| CIUP | Cité Internationale Universitaire de Paris (www.ciup.fr) | In French | → Accommodation → Higher education, universities |
| CJF | Convention Jeune Formation | In French | |
| CJNE | Canadian Journal of Native Education | In English | → Serial publications, periodicals |
| CLA | Cantonese Language Association (http://asiane.byu.edu/cla/) | In English | → Associations → Language, linguistics, literature |
| CLAP | Comité de Liaison pour l'Alphabétisation et la Promotion | In French | |
| CLASS | Chinese Language Association for Secondary-Elementary Schools | In English | → Associations → Linguistics |
| CLASS | Chinese Language Association for Secondary School (www.classk12.org) | In English | → Associations → Language, linguistics, literature |
| CLC | Club Langues et Civilisations | In French | → Linguistics |
| CLEMI | Centre de Liaison de l'Enseignement et des Moyens d'Information | In French | |
| CLIL | Content and Language Integrated Learning | In English | → Language, linguistics, literature |
| CLILiG | Content and Language Integrated Learning in German | In English | → Language, linguistics, literature |
| CLIVE | Computer-aided Learning In Veterinary Education | In English | → Computer science → Veterinary medicine |
| CLM | Commissione Psico-pedagogica | In Italian | → Psychology |
| CLM | Commissione delle Lingue moderne | In Italian | → Language, linguistics, literature |
| CLOUS | Centre Local des Oeuvres Universitaires et Scolaires | In French | |
| CLTA | Chinese Language Teachers' Association | In English | → Associations → Language, linguistics, literature |
| CLTA | Chinese Language Teachers Association (http://clta-us.org) | In English | → Associations → Language, linguistics, literature |
| CLTAD | Centre for Learning & Teaching in Art & Design | In English | → Arts |
| CLTASA | Chinese Language Teachers' Association of South Australia | In English | → Associations → Language, linguistics, literature |
| CLTAV | Chinese Language Teachers' Association of Victoria | In English | → Associations → Language, linguistics, literature |
| CLTFA | Chinese Language Teachers' Federation of Australia | In English | → Organizations and associations → Language, linguistics, literature |
| CLU | Commissione Liceo-Università | In Italian | |
| CLV | Commission Langues Vivantes | In French | → Language, linguistics, literature |
| CMPP | Centre médico-psycho-pédagogique | In French | → Psychology → Medicine |
| CMU | Carnegie Mellon University (www.cmu.edu) | In English | → Higher education, universities |
| CNAM | Conservatoire National des Arts et Métiers | In French | → Specialized or (poly)technical colleges → Applied sciences, technology |
| CNCSIS | Consiliul National al Cercetarii Stiintifice din Învatamântul Superior | In Romanian | → Research policy → Higher education, universities |
| CNDP | Centre National de Documentation Pédagogique | In French | → Libraries |
| CNEC | Centre National d'Enseignement par Correspondance | In French | |
| CNED | Centre National d'Enseignement à Distance | In French | → 374 |
| CNEFEI | Centre national d'Études et de Formation pour l'Enfance Inadaptée | In French | |
| CNEPT | Centrul Naţional de Educaţie Permanentă în Turism | In Romanian | → Tourism |
| CNESER | Conseil National de l'Enseignement Supérieur et de la Recherche | In French | → Mathematics and natural sciences |
| CNESSS | Centre National d'Études Supérieures de la Sécurité Sociale | In French | → Insurance → Specialized or (poly)technical colleges |
| CNFPP | Centre National de Formation et de Perfectionnement des Professeurs | In French | |
| CNFPT | Centre National de la Fonction Publique Territoriale | In French | → Public administration, government |
| CNFTSV | Centre National de Formation des Techniciens des Services Vétérinaires | In French | → Specialized or (poly)technical colleges → Agricultural sciences |
| CNIT | Consorzio Nazionale Interuniversitario per le Telecomunicazioni | In Italian | → Higher education, universities → Telecommunications |
| CNOUS | Centre National des Œuvres Universitaires et Scolaires | In French | → Social welfare |
| CNRD | Concours National de la Résistance et de la Déportation | In French | → History |
| CNS | Canal Numérique des Savoirs (www.cns-edu.net) | In French | |
| CNSAD | Conservatoire National Supérieur d'Art Dramatique | In French | → Specialized or (poly)technical colleges → Theatre → Dance |
| CNSMDP | Conservatoire National Supérieur de Musique et de Danse de Paris | In French | → Specialized or (poly)technical colleges → Music → Dance |
| CNU | Conseil National des Universités | In French | → Higher education, universities |
| COC | Committee on Curricula | In English | |
| COE | Centro Orientamento Educativo | In Italian | → Organizations and associations |
| CONVINCE | Consortium of North American Veterinary Interactive New Concept Education | In English | → Organizations and associations → Veterinary medicine |
| CORTECHS | Convention de formation pour les techniciens supérieurs | In French | |
| COTSEAL | Council of Teachers of Southeast Asian Languages | In English | → Organizations and associations → Language, linguistics, literature |
| CoUCL | Contributions de l'Universite Catholique de Louvain | In French | → Serial publications, periodicals → Roman catholic church → Higher education, universities |
| CP | Certificat Préparatoire | In French | |
| CPA | Centre de Perfectionnement aux Affaires | In French | → Economics |
| CPCSS | College Preparatory Charter School of Springfield | In English | |
| CPE | Certificate of Proficiency in English | In English | → Language, linguistics, literature |
| CPEG | Certificat Préparatoire aux Études de Gestion | In French | → Economics |
| CPGE | Classe Préparatoire aux Grandes Écoles | In French | |
| CPGE | Classes Préparatoires aux Grandes Écoles | In French | |
| CPI | Cycle Préparatoire Intégré | In French | |
| CPN | Commission Pédagogique Nationale | In French | |
| CPP | Cycle Préparatoire Polytechnique | In French | |
| CPP | Commission Psycho-Pédagogique | In French | → Psychology |
| CPPN | Classe Pré-Professionnelle de Niveau | In French | → Labour, labour economics |
| CPU | Conférence des Présidents d'Université | In French | → Higher education, universities |
| CPU | Collège Polytechnique Universitaire | In French | → Specialized or (poly)technical colleges → Engineering, technology |
| CRC | Curso de Representação Comercial | In Portuguese | → Trade |
| CRDI | Centre de Ressources Didactiques Informatisées | In French | |
| CRDP | Centre Régional de Documentation Pédagogique | In French | → Libraries |
| CRE | Conférence des Recteurs Européens | In French | → Organizations and associations → Higher education, universities |
| CREAI | Centre Régional de l'Enfance et de l'Adolescence Inadaptée | In French | → Social welfare |
| CREPAUC | Centre Régional d'Éducation Permanente en Architecture, Urbanisme et Construction | In French | → Building → Regional planning → Architecture |
| CREPS | Centre Régional d'Éducation Physique et Sportive | In French | → Sport, physical exercises |
| CRN | Course Reference Number | In English | |
| CROUS | Centre Régional des Œuvres Universitaires et Scolaires | In French | → Social welfare |
| CRP | Centre de Rééducation Professionnelle | In French | → Labour, labour economics |
| CRPE | Concours de Recrutement de Professeur des Écoles | In French | |
| CRU | Comité Réseau des Universités (www.cru.fr) | In French | → Higher education, universities |
| CSAUS | Chinese School Association in the United States | In English | → Associations → Language, linguistics, literature |
| CSB | Class Schedule Book | In English | |
| CSE | College of Saint Elizabeth | In English | |
| CSEd | Computer Science Education | In English | → Serial publications, periodicals → Computer science |
| CSGSS | Chinese Studies Graduate Summer School | In English | → Language, linguistics, literature |
| CTCFL | Centre for Teaching Chinese as a Foreign Language | In English | → Language, linguistics, literature |
| CTEU | Centre de Télé-Enseignement Universitaire | In French | → Higher education, universities → Telecommunications |
| CTI | Commission des Titres d'Ingénieur | In French | → Specialized or (poly)technical colleges → Engineering, technology |
| CTI | Commission des Titres d’Ingénieur (www.cti-commission.fr) | In French | → Organizations and associations → Specialized or (poly)technical colleges |
| CTI | Centre de Techniques Internationales (www.cti-learning.com) | In French | → Management |
| CTP | Contrat de Transition Professionnelle | In French | → Labour, labour economics |
| CTSA | Central Tibetan Schools Administration | In English | → Public administration, government |
| CU | Certificat d'Université | In French | |
| CUAMM | Collegio Universitario Aspiranti e Medici Missionari | In Italian | → Specialized or (poly)technical colleges → Medicine |
| CUEJ | Centre Universitaire d'Enseignement du Journalisme | In French | → Higher education, universities → Newspapers, journalism |
| CUHK | Chinese University of Hong Kong | In English | → Higher education, universities |
| CUIO | Cellule Universitaire d'Information et d'Orientation | In French | → Labour, labour economics → Higher education, universities |
| CUP | California University of Pennsylvania | In English | → Higher education, universities |
| CUP | Centre Universitaire Provincial | In French | → Higher education, universities |
| CUP | Cambridge University Press | In English | → Higher education, universities → Graphic industries, printing, publishing |
| CUP | Canadian University Press | In English | → Higher education, universities → Graphic industries, printing, publishing |
| CvO | Commissie voor Onderzoek | In Dutch |
|