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 TK-8 since 1980. Adda Clevenger has neither religious nor political affiliations and no special agendas are served.
Our Noe Valley campus is a historic, twenty thousand square foot school building located in San Francisco’s Mission/Noe Valley.
Our Presidio of San Francisco campus is a nineteen thousand square foot, two-building complex located on the Presidio's Main Post, east of the Main Parade Lawn.
Enrollment and Student Body
150 Students, Co-Ed, Grades TK-8
Class Size
Average Class Size: 15
Student to Teacher Ratio
7:1
ACS Class of 2024 High School Acceptance
St. Ignatius College Preparatory (6)
Sacred Heart Cathedral Preparatory (4)
Archbishop Riordan High School (1)
San Francisco University High School (3)
Urban School of San Francisco (1)
Convent of the Sacred Heart (2)
The Branson School (1)
Lowell High School (1)
Jewish Community High School (1)
Mercy High School Burlingame (1)
ACS Class of 2023 High School Acceptance
Urban School of San Francisco (2)
St. Ignatius College Preparatory (6)
San Francisco University High School (3)
Sacred Heart Cathedral Preparatory (2)
San Francisco International High School
Lowell High School
Barack Obama Academy of International Studies, Pittsburg, PA
The Edron Academy, Mexico City
ACS Class of 2022 High School Acceptance
Sacred Heart Cathedral Preparatory (3)
Waldorf High School (2)
Ruth Asawa San Francisco School of the Arts (SOTA)
The College Preparatory School
Archbishop Riordan High School
Urban School of San Francisco
ACS Class of 2021 High School Acceptance
Bay School of San Francisco (1)
Jewish Community High School of the Bay (1)
Junipero Serra High School (1)
Sacred Heart Cathedral Preparatory (4)
San Francisco International High School (2)
San Francisco University High School (2)
Other Recent High School Acceptances Include
Choate Rosemary Hall
Crystal Springs Upland School
Marin Academy
Oakland School of the Arts
Stuart Hall High School
The Hotchkiss School
ACS Class of 2020 High School and 2024 College Matriculation:
Convent of the Sacred Heart High School – Chapman University
Convent of the Sacred Heart High School – University of Miami
South San Francisco High School – Occidental College, Music Production and Recording
Urban School of San Francisco – CalPoly, SLO, Mechanical Engineering
Archbishop Riordan High School – Boise State University
Mercy High School Burlingame – UC Santa Barbara
Ruth Asawa School of the Arts (SOTA) – CalPoly, Humboldt, Mechanical Engineering
Ruth Asawa School of the Arts (SOTA) – Fordham University
St. Ignatius College Preparatory – University of Oregon, Environmental Design
St. Ignatius College Preparatory – UC Davis
Gallatin High School, Bozeman, Montana – CalPoly, SLO
Sala Burton High School – CSU Monterey Bay
San Francisco International High School – University of British Columbia, Vancouver, B.C.
Santa Cruz High School – University of Washington
ACS Class of 2019 High School and 2023 College Matriculation:
International High School – Stanford
St. Ignatius College Prep – Boston College
International High School – Colgate University
International High School – UC San Diego
San Domenico School – Oberlin Conservatory and Oberlin College of Arts and Sciences
Archbishop Riordan High School - D'Amore-Mckim School of Business at Northeastern University
St. Ignatius College Prep – UCLA, Mathematics
Sacred Heart Cathedral Prep – UC Davis
St. Ignatius College Prep – University of Washington
Sacred Heart Cathedral Prep – NYU
Sacred Heart Cathedral Prep – University of Colorado Boulder
Lick Wilmerding High School –Strathclyde (Scotland)
Lick Wilmerding High School – UC Davis
The Bay School – Drexel University
Fusion School – Oregon State University
DAYS AND HOURS OF OPERATION
• 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
2024 – 2025 Academic Year: August 26, 2024 – June 20, 2025
2025 Summer Program for TK - 1st Grade: June 30 – August 15, 2025
2025 – 2026 Academic Year: August 25, 2025 – June 19, 2026
2026 Summer Program for TK - 1st Grade: June 29 – August 14, 2026
2025 – 2026 Tuition:
TK1 $25,340
TK2-8th Grade $38,670 per student. (5% sibling discount)
School Lunch Program