 The average class size at FAU for undergraduates is 33 students , and for graduate classes , 12 students . The student @-@ to @-@ faculty ratio is 20 : 1 . The top three undergraduate majors by enrollment are elementary education , accounting , and management , respectively . The top three graduate majors by enrollment are business administration , educational leadership , and accounting , respectively . The average age for first @-@ year students is 18 ; however , the average age for all undergraduates is 24 and the average age for graduate students is 33 . The average 4 @-@ year graduation rate for first @-@ time , non @-@ transfer students is 14 % while the 6 @-@ year graduation rate is 39 % . 
