| Rank | Abbreviation | Meaning |
|---|
| ***** | CLES | Common Language Effect Size
| |
| ***** | CLES | Certificat de Compétences en Langues de l'Enseignement Supérieur
| |
| **** | CLES | Cheat Lake Elementary School
| |
| **** | CLES | Centennial Lane Elementary School
| |
| **** | CLES | Centre for Local Economic Studies
| |
| **** | CLES | Clinical Laboratory Equipment Specialists
| |
| *** | CLES | Constructivist Learning Environment Survey
| |
| *** | CLES | Continuing Labor Education Seminar
| |
| *** | CLES | College of Life and Environmental Sciences
| |
| *** | CLES | Continuing Legal Education and Specialization
| |
| *** | CLES | Center for Leadership Education and Service
| |
| *** | CLES | Continuing Legal Education Seminars
| |
| *** | CLES | Casa Lavoro Educazione Salute
| |
| ** | CLES | Continuing Legal Education Socie
| |
| ** | CLES | Continuing Legal Education Society
| |
| ** | CLES | Centre for Local Economic Strategies
| |
| ** | CLES | Country Lane Elementary School
| |
| ** | CLES | Constructivist Learning Environments
| |
| * | CLES | Cordova Lane Elementary School
| |
| * | CLES | Casa Loma Elementary School
| |
| * | CLES | Constraint-Limited Exhaustive Search
| |
| * | CLES | Central Laboratory for Expert Systems
| |
| * | CLES | County Line Elementary School
| |
| * | CLES | Castlebay Lane Elementary School
| |
| * | CLES | Certified Laboratory Equipment Specialist
| |