Thomas Jefferson School

Tel: (314)843-4151
  • Thomas Jefferson School is a coeducational boarding and day school for grades seven through twelve.
  • We offer a core classical curriculum to students that come from St. Louis, all over the United States, and all over the world.
  • We are a community of diverse minds linked by a shared interest in learning.
  • The mission of Thomas Jefferson School is to give its students the strongest possible academic background, responsibility for their own learning, a concern for other people, and the resources to live happily as adults and become active contributors to society.
  • We recognize the profound impact of education upon the student's intellect and values.
  • We balance the challenges posed by the school's high standards for academic, personal, and social development with support from a nurturing community.

School Overview

School Membership(s)School Assoc.National Association of Independent Schools (NAIS)
State or regional independent school association
The Association of Boarding Schools (TABS)
Other school association(s)
Grades OfferedGrades 7-12
Year Founded1946

Student Body

Total Students83 students
Student Body TypeCo-ed
% Students of Color
State avg.: 19%
Students by GradeThomas Jefferson School Student By Grade

Academics and Faculty

Total Classroom Teachers13 teachers
Student : Teacher Ratio6:1
National avg.: 13:1
% Faculty w/Advanced Degree
Average Class Size14 students
Number of AP Courses13 courses
List of Courses OfferedLink to List of Courses
Advanced CoursesAP Biology, AP Calculus BC, AP Chemistry, AP Comparative Government, AP Economics, AP English Language and Composition, AP English Literature and Composition, AP Physics 1, AP Physics 2, AP Statistics, AP US Government, AP US History,
Average SAT score1460
Average ACT score31
Average Percentile SSAT2%
Matriculation DataMatric. DataLink to Matriculation Data
Classroom Dress CodeFormal
(Business casual M-TH, Formal Fridays)

Finances and Admission

Admission DeadlineNone / Rolling
Yearly Tuition Cost$26,900
Tuition NotesDay students 26900 5-day boarders 46100 7-day domestic boarders 48950 Int'l boarders 50950
% on Financial Aid
Acceptance Rate
National avg.: 85%
Admissions DirectorErin Walsh
Endowment Size$19 million


Total Sports Offered6 sports
SportsBasketball, Cross Fit, Soccer, Tennis, Volleyball, WeightliftingBasketballCross Fit,


Total ExtracurricularsTotal Extra-curric.14 extracurriculars
ExtracurricularsExtra-curric.Club or Organization:
Admissions Ambassadors, Chess Club, Coding Club, Coffee Therapy, GSA, Pandora, Residential Life, SAC, Spirit Club, Student Council, The Declaration

Arts and Music Programs:
Cabaret, Music Lessons, Theate

School Notes

  • Thomas Jefferson School (TJ) offers an unparalleled college-preparatory curriculum in a close-knit, supportive academic community.  For nearly 70 years TJ`s liberal arts approach has been a launching pad for college and professional success.  College preparation is our speciality: all of our graduates move on to four-year colleges and universities across the nation and abroad.  Average SAT scores consistently position TJ among the world`s top boarding schools.  With a daily schedule of concise morning classes and a student teacher ratio of 7:1, students enjoy focused individual attention with faculty, advisors and staff.  Students develop their academic talents as well as their autonomy.  Most Junior students take two AP courses while Seniors take all AP coursework in their final year.  Day students share dorm space on a picturesque 20 acre campus with boarding students from 26 St. Louis area zip codes, eight states and 11 countries.  Students live and learn amidst faculty members and resident assistants in cottages throughout the grounds.  The Charles Merrill building serves as the hub of activity housing classrooms and the dining room.  Additional campus facilities offer access to athletics and the fine arts.  Five-day boarding for regional families is a popular option. Nearly 40% of TJ`s families receive financial assistance.  As a current TJ student has said "TJ is more than a school.  TJ has given me my voice."  
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Did You Know?
The average private school tuition in Saint Louis, MO is $11,139 for elementary schools and $16,809 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Saint Louis, MO is 80% (read more about average acceptance rates across the country).