Over the past few weeks, as the start of the academic year approached, school districts across the nation scrambled to fill teacher vacancies, sparking warnings about shortages of qualified personnel. California. with a test-driven. CBEST (California Basic Educational Skills Test) The latest CBEST testing information from National Evaluation Systems, Inc. CTEL/BCLAD Crosscultural, Language and Academic Development (CLAD) Certificate and the Bilingual, Crosscultural, Language and Academic Development (BCLAD) Certificate – Registration….