Education

2018 Best Private High Schools in Texas

Updated February 21, 2026By DreBoam

9. St. Agnes Academy

St. Agnes Academy is an elite, private, all-girls, Catholic school located in HOUSTON, TX. It has 921 students in grades 9-12 with a student-teacher ratio of 10 to 1. Tuition is $18,850 for the highest grade offered. After graduation, 100% of students from this school go on to attend a 4-year college.