Mt San Antonio College is a very large public associates college located in Walnut, CA with a student to faculty ratio of 24 to 1. It has a total of 39,020 full-time undergraduate students. Mt San Antonio College offers 180 different majors. With an annual tuition of $1,288 for students from California and $9,548 for those from out-of-state, Mt San Antonio College is pretty affordable. 13.62% of students graduate beginning the next phase of their lives, employment. Open graduating, alumni go on to take home about $35,000 per year, which is 16% below the national median.