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

Middle School
10 Davis Drive
Belmont, CA  94002

Upper School
400 Uplands Drive
Hillsborough, CA  94010

Main Mailing Address and
Administrative Offices

400 Uplands Drive
Hillsborough, CA 94010

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

Transportation Hotline
(650) 645-1099

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

Crystal Springs Uplands School


General: (650) 342-4175 | info@csus.org
Admission Inquiries: admission@csus.org
Middle School
10 Davis Drive
Belmont, CA 94002
(650) 342-4175 x1000
Upper School
400 Uplands Drive
Hillsborough, CA 94010
(650) 342-4175