2. Today\'s Topics. CTEL Programs and Exams for CLAD Certificates Certificate of Completion of Staff Development (CCSD)Bilingual Programs and ExamsResourcesQuestions?. 3. CTEL Programs for the CLAD Certificate. Eighteen CTEL programs approvedListed on the Approved Program chart on Commission website Under Specialist Credentials and Certificates: CLADApplication submitted by IHE as online recommendation.