About Pittsburg Adult Education Center Pittsburg Adult Education Center is located in Pittsburg, CA, but also offers classes online. This school offers training in 10 qualifications, with the most reviewed qualifications being Certified Nursing Assistant (CNA), Basic Life Support (BLS) Certification, and Customer Service Certification. Time to complete this education training ranges from 2 weeks to 11 months depending on the qualification, with a median time to complete of 4.5 months. The cost to attend Pittsburg Adult Education Center ranges from $70 to $2,600 depending on the qualification, with a median cost of $850.