• Odyssey Test Prep Think Sat
  
• Lee's Review
  2040 S Brea Canyon Rd
• Lee's Review
  1930 S Brea Canyon Rd
• Kumon Educational Center Diamond
  23555 Golden Springs Dr # C
• Tutor World
  20627 Goldn Springs Dr # 2c
• Ivy League School
  21308 Pathfinder Rd # 209
• Yfc Education Center
  21337 Cold Spring Ln
• Head Start Academy
  3207 S Brea Canyon Rd
• Gate Academy
  2141 S Brea Canyon Rd
• Diamond Bar Learning Center
  
• Aptus Educate
  3207 S Brea Canyon Rd
• Jones Reading & Math Clinics
  850 N Diamond Bar Blvd
• Jelic Math Tutoring
  3207 S Brea Canyon Rd
• Chung's Scholastic Tests Inst
  1930 S Brea Canyon Rd # 170
• Keystone Education (formerly ACI Diamond Bar)
  660 N Diamond Bar Blvd
• FLEX College Prep
  20955 Pathfinder Road
• Kumon Math and Reading Center of Diamond Bar
  1155 S. Diamond Bar Blvd.
• Kumon Math and Reading Center of Diamond Bar - South
  2757 Diamond Bar Boulevard