Middle Level Educator Award Brett Slezak Allegheny Valley School District A Health and Physical Education teacher at Allegheny Valley School District, Brett Slezak is. Looking for online definition of CCEEC or what CCEEC stands for? CCEEC is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms. May 18, 2016. Last month, WCO Michael College took a state-endangered American bittern with a broken wing to the…