Simplify the following text for a Grade 8 native English-speaking person.
Original: Since 1961 , nearly 2.5 million alumni have received a bachelor 's , master 's or doctoral degree from the CSU system which offers more than 1,800 degree programs in 240 subject areas .
Simplified: Since 1961 nearly 2.5 million alumni have received a bachelor 's , master 's or doctoral degree from the university system . CSU offers more than 1,800 degree programs in some 240 subject areas .