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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: 140 Students, Co-Ed, Grades TK1-8
Average Class Size: 15
Student to Teacher Ratio 6:1
Recent high school acceptances include:
Choate Rosemary Hall
Convent of the Sacred 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 6:00 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
2019 – 2020 Academic Year: August 26, 2019 – June 19, 2020
2020 – 2021 Academic Year: August 24, 2020 – June 18, 2021
2020 – 2021 Tuition:
TK1 $18,750.
TK2-8th Grade $28,898 per student. (5% sibling discount)