Spanish Infusión School (formerly Marin Preparatory School)

  • We are an independent private school in San Francisco, grades TK through 8th.
  • We use Spanish and English to prepare students for their lives ahead: as scholars, as citizens, and as leaders.
  • We know that curiosity, creativity, and diversity are the essentials of education.
  • We promise S School students a nurturing, rigorous, and bilingual education from an experienced faculty that will prepare them for the challenges and opportunities ahead.
  • Our students learn how to excel in school and in life.

School Overview

School TypeSchool with Special Program Emphasis
Religious AffiliationNonsectarian
Grades OfferedGrades Kindergarten-8
Year Founded2009

Student Body

Total Students142 students
Student Body TypeCo-ed
% Students of Color
State avg.: 44%
Students by Grade Spanish Infusión School (formerly Marin Preparatory School) Student By Grade

Academics and Faculty

Total Classroom Teachers22 teachers
Student : Teacher Ratio6:1
National avg.: 13:1
Average Class Size16 students
Classroom Dress CodeCasual

Finances and Admission

Admission DeadlineJan. 10 / rolling
Yearly Tuition Cost$28,685
Tuition Notes$28,685 (TK/Kindergarten) $30,710 (Grades 1 - 8)
% on Financial Aid
Admissions DirectorCameron Story


Total Sports Offered7 sports
SportsBaseball, Basketball, Dance, Martial Arts, Soccer, Tennis, VolleyballBaseballBasketball,
DanceMartial Arts,


Total ExtracurricularsTotal Extra-curric.1 extracurriculars
ExtracurricularsExtra-curric.Club or Organization:
School Newspaper

School Notes

  • TK applicants must turn age 5 by December 1st of applying year; K applicants must turn age 5 by September 1st of applying year.

Profile last updated:

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  • School Location Miles Grades Students
  • San Francisco
    Adda Clevenger School
    Adda Clevenger School Photo - 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.
    Special Program Emphasis
    Grades: PK-8 | 136 students
    0.8 miles
    180 Fair Oaks Street
    San Francisco, CA 94110
    0.8 PK-8
  • San Francisco
    Grades: NS-8
    1.1 miles
    735 Fell Street
    San Francisco, CA 94117
    1.1 NS-8
  • San Francisco
    Grades: K-8 | 293 students
    2.1 miles
    1555 Mariposa Street
    San Francisco, CA 94107
    2.1 K-8
  • San Francisco
    Grades: K-8 | 232 students
    2.2 miles
    3839 Washington Street
    San Francisco, CA 94118
    2.2 K-8
  • San Francisco
    Grades: K-7 | 397 students
    1.4 miles
    350 Masonic Ave
    San Francisco, CA 94118
    1.4 K-7

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Did You Know?
The average private school tuition in San Francisco, CA is $19,720 for elementary schools and $31,383 for high schools (read more about average private school tuition across the country).
The average acceptance rate in San Francisco, CA is 63% (read more about average acceptance rates across the country).