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About Us

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

Archbishop Riordan High School, San Francisco
Choate Rosemary Hall, Wallingford, CT
Convent of the Sacred Heart, San Francisco
Crystal Springs Uplands School, Hillsborough
Drew School, San Francisco
International High School, San Francisco
Jewish Community High School of the Bay, San Francisco
Junipero Serra High School, San Mateo
Lick-Wilmerding High School, San Francisco
Lowell High School, San Francisco
Marin Academy, San Rafael
Mercy High School, Burlingame
Oakland School of the Arts
Ruth Asawa San Francisco School of the Arts (SOTA)
Sacred Heart Cathedral Preparatory, San Francisco
Sacred Heart Cathedral Preparatory, San Francisco
Saint Ignatius College Preparatory, San Francisco
San Domenico School, San Anselmo
San Francisco University High School
Stuart Hall High School, San Francisco
The Bay School of San Francisco
The Branson School, Ross
The College Preparatory School, Oakland
The Hotchkiss School, Lakeville, CT
The Urban School, 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

2018 – 2019 Academic Year: August 27, 2018 – June 21, 2019
2019 – 2020 Academic Year: August 26, 2019 – June 19, 2020


2019 – 2020 Tuition:

TK1 $18,720.
TK2-8th Grade $27,262 per student. (5% sibling discount)
School Lunch Program