Thomas Jefferson School

Tel: (314)843-4151
  • Small by design. Our campus of 85 boarding and day students is like a family. You are known. You are cared for.
  • Deliberately diverse. Our students come to learn and live together from 8 countries and 7 states.
  • Varsity academics. Our classical, core, college prepatory curriculum was designed for an academically talented student.
  • Life prep. Students immerse themselves in the arts, athletics, friendships and clubs.

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)
Religious AffiliationNonsectarian
Grades OfferedGrades 7-12
ADD/ADHD SupportYes
Year Founded1946

Student Body

Total Students85 students
Student Body TypeCo-ed
% Students of Color
State avg.: 16%
Students by GradeThomas Jefferson School Student By Grade

Academics and Faculty

Total Classroom Teachers13 teachers
Student : Teacher Ratio7:1
National avg.: 13:1
% Faculty w/Advanced Degree
Average Class Size14 students
Number of AP Courses15 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 Macroeconomics, AP Microeconomics, AP Physics 1, AP Physics 2, AP Statistics, AP U.S. Government & Politics, AP US History,
Average SAT score1460
Average ACT score31
Average Percentile SSAT98%
Matriculation DataMatric. DataLink to Matriculation Data
Classroom Dress CodeCasual
(Business casual M-TH, Formal Fridays)

Finances and Admission

Admission DeadlineDec. 14 / Jan. 15 / rolling
Yearly Tuition Cost$27,700
Tuition NotesDay students 27700 5-day boarders 47950 7-day domestic boarders 50900 Int'l boarders 52900
% on Financial Aid
Average Financial Aid Grant$21,000
Acceptance Rate
National avg.: 85%
Admissions DirectorErin Walsh
Endowment Size$2.5 million


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


Total ExtracurricularsTotal Extra-curric.30 extracurriculars
ExtracurricularsExtra-curric.Club or Organization:
Admissions Ambassadors, Chess Club, Choir Club, Coding Club, Coffee Therapy, Food Pirates, Green Club, GSA, International Thespian Society, Mock Trial Team, Pandora, Prom Committee, Residential Life, Robotics Team, SAC, Service Learning Club, Spirit Club, Student Council, Tennis, The Declaration, Yearbook Staff

Arts and Music Programs:
Cabaret, Fall Drama Production, Music Lessons, Spring Arts Showcase, Spring Drama Production, Theater, Winter Arts Showcase

Recreational Athletic Programs:
Fitness Club, Yoga

School Notes

  • TJ is an internationally respected, coed day and boarding school for grades 7-12. TJ is located on a beautiful 20-acre campus in suburban St. Louis, MO, where students come from twenty eight St. Louis zip codes, seven states, and eight countries to connect with others who share the same passion for learning. No matter their background, TJ students share energy, independence, intellectual curiosity, and a commitment to preparing for college. Since 1946, TJ has been a greenhouse for true intellectual growth. The classical liberal arts curriculum emphasizes depth in a college preparatory core, and as a result, students` SAT scores consistently position TJ among the world`s top boarding and day schools. TJ`s program emphasizes responsibility for oneself and for the community, and holds students to high expectations in every area of school life. College preparation is TJ`s specialty. Students receive an unparalleled academic foundation- by senior year, all subjects are studied at the AP level-and a daily schedule encourages the development of personal independence. All graduates move on to four-year colleges and universities across the nation and abroad, where they settle in with confidence and ease.
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Did You Know?
The average private school tuition in Saint Louis, MO is $11,764 for elementary schools and $16,849 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).