#23 Best Private High Schools in Virginia. Blue checkmark. Private School, RICHMOND, VA, PK, K-12. 77 Niche users give it an average review of 4.1 stars. Featured Review: Parent says We feel very fortunate that our children benefit from the incredible Collegiate community! They love their school so much, and we are thankful for the core values of love, respect, integrity,… Read 77 reviews. Overall Niche Grade: A+, Students: 1,689, Student-Teacher Ratio: 7 to 1,