junior preparatory and theather school for children

General Info

Contact Us:

180 Fair Oaks Street (at 23rd Street in Mission/Noe Valley)
San Francisco, California 94110

Mailing address: PO Box 460129, San Francisco, CA 94146-0129

Telephone: 415-824-2240


Facts In Brief

The Adda Clevenger School is an independent elementary school providing an accelerated academic and arts curriculum to San Francisco Bay Area students grades K1-8 since 1980. Adda Clevenger has neither religious nor political affiliations and no special agendas are served. The academic curriculum exceeds California state requirements.

Our facility is a historic, nineteen thousand square foot school building located in San Francisco’s Mission/Noe Valley.

Enrollment and Student Body

144 - 162 Students, Co-Ed, Grades K1-8

Class Size

Average Class Size: 17

Maximum Class Size: 24

Student to Teacher Ratio


Recent High School Acceptances Include

The Bay School of San Francisco
Convent of the Sacred Heart
Crystal Springs Uplands School
Drew College Preparatory School
International High School
Lick-Wilmerding High School
Lowell High School
Mercy High School
Sacred Heart Cathedral Preparatory
Saint Ignatius College Preparatory
San Francisco School of The Arts High School
Stuart Hall High School for Boys
University High School
The Urban School of San Francisco



• The school is open on school days from 7:30 a.m. to 5:15 p.m.
• School day (regular instruction) for all students is from 8:00 a.m. to 5:00pm
• Extended care is available from 5:15-6:00pm

2015 – 2016 Academic Year: August 17, 2015 – June 24, 2016

2016 – 2017 Academic Year: August 15, 2016 – June 23, 2017


2016 – 2017 Tuition: K-8th Grade $22,890.00 per student. (10% sibling discount)


SSAT Testing

The Adda Clevenger School is a certified and approved SSAT testing site, for upper and lower levels. Click here for more information.