Additonally, there is a private high school in San Marino. Southwestern Academy. Here is the link: http://www.SouthWesternAcademy.edu/
Hope this helps. If you are considering relocating to the San Marino or adjacent areas, please contact me as I live and work in this area. Best wishes.
Camelia Vera 626-484-4500 Camelia.Vera@ColdwellBanker.com
If you are looking for school and maybe have a different budget there are homes in Arcadia, South Pasadena and La Canada that have good schools as well. Love to talk with you more
Let me know if I can be of service. Teri Barton 626-695-9179 email@example.com