Yucaipa Adult School, Yucaipa, California. 73 likes. Yucaipa Adult School provides courses for High School Diploma, GED, English as Second Language. The latest Tweets from Yucaipa Adult School (@YucaipaAdult). We are into educating Adults to help them learn skills and prepare them for college and the workforce. Learn more about YUCAIPA ADULT EDUCATION, a school located in Read school ratings and reviews for YUCAIPA ADULT EDUCATION.