An independent day school for grades 6-12

Contact Us

Main Office
Phone:   (650) 342-4175
Fax:       (650) 342-7623

Admission
Phone:   (650) 342-4175 ext. 1511
Fax:        (650) 342-7611
Email:     admission@csus.org

Attendance
MS:  (650) 342-4175 x1000
US:  (650) 342-4175 x1588

Transportation Hotline
(650) 645-1099

Main Mailing Address and
Administrative Offices

400 Uplands Drive
Hillsborough, CA 94010

Upper School
400 Uplands Drive
Hillsborough, CA  94010

Middle School
10 Davis Drive
Belmont, CA  94002

Faculty & Staff
To email a faculty or staff member, please use the following guideline:
[FIRST LETTER of first name + complete LAST NAME]@csus.org

General inquiries:       info@csus.org
Website comments:   webadmin@csus.org