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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 TK1-8 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

130 Students, Co-Ed, Grades TK1-8

Class Size

Average Class Size: 17

Student to Teacher Ratio


Recent High School Acceptances Include

Choate Rosemary Hall

Convent of the Sacret Heart

Crystal Springs Upland School

Drew School

International High School

Jewish Community High School of the Bay

Junipero Serra High School

Lick-Wilmerding High School

Lowell High School

Marin Academy

Mercy High School Burlingame

Oakland School of the Arts

Ruth Asawa san Francisco School of the Arts (SOTA)

Sacred Heart Cathedral Preparatory

Saint Ignatius College Preparatory

San Domenico School

San Francisco University High School

Stuart Hall High School

The Bay School of San Francisco

The Branson School

The College Preparatory School

The Hotchkiss School

The Urban School 



• 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

2018 – 2019 Academic Year: August 27, 2018 – June 21, 2019

2019 – 2020 Academic Year: August 26, 2019 – June 19, 2020


2018 – 2019 Tuition:

TK1 $18,720.

TK2-8th Grade $25,719 per student. (5% sibling discount)