Thomas Jefferson School

5.00 (2 reviews)
4100 South Lindbergh Blvd.
Saint Louis, MO 63127
Top 2% Best High School for STEM in America | Top 2% Best College Prep Private High School in America
Top 3% Best Private High School in America | #1 Best Boarding School in Missouri
Small by design. Our campus of 81 boarding and day students is like a family. You are known. You are cared for.
Varsity academics. Our classical, core, college prepatory curriculum was designed for an academically talented student.
360 degree college prep: Students immerse themselves in the arts, athletics, friendships, and clubs.

Alumni Reviews
  Review School

  • Review Description
  • Wesleyan University
    while T.J. advertises itself as a bastion of classical education, I think that its size and its English program really make it stand out. English at Thomas Jefferson is a serious matter; students learn the. . .
  • University of Richmond
    Thomas Jefferson academics are extremely rigorous and are the central focus of the student body and faculty. That said, the school has broadened the variety of extracurricular activities and options over the last few. . .

Top Rankings

Thomas Jefferson School ranks among the top 20 boarding schools (out of 303 schools) for:

Definition of Terms
 | 2021 School Data
Thomas JeffersonBoarding School Avg.
School FocusCollege PrepCollege Preparatory
Grades Offered7-129-12
School TypeCo-edCo-ed
ADD/ADHD SupportYesYes
Religious AffiliationNon-denominationalNon-denominational
Year Founded19461907
Campus Size20 acres125 acres

Student Body

Enrollment81 students300 students
% Students of Color
% International Students
% Students Boarding
Average SAT Score1450* National Avg. »View
SAT range (25th-75th percentile)1400 - 1580-
Average ACT score31*National Avg. » View
Offers Post-Grad YearNoNo

Academics and Faculty

Saturday ClassesNoNo
Classroom Dress CodeCasual
(Casual dress Monday through Thursday. Formal dress each Friday.)
Average Class Size14 students12
*National School Avg. » 20
Student : Teacher Ratio6:17:1
# of AP / Advanced Courses Offered1518
ESL Courses OfferedYesYes
% Faculty with Advanced Degree
Summer Program OfferedYesYes
Summer Program DetailsLink to Summer Program Details

Tuition Cost

Endowment Size$2.5 million$25 million
Yearly Tuition
(Boarding Students)
(5-day boarding and 7-day boarding options are available.)
Yearly Tuition
(Day Students)
Tuition international students$60,050$54,500
Yearly Tuition
(5 Day Boarding)
% Students on Financial Aid
Avg. Financial Aid Grant$22,556$25,000
Merit Scholarships OfferedYesNo

Acceptance Rate

Application DeadlineJan. 12 / rollingJan. 15
Accepts Standardized ApplicationNoNo
SSAT RequiredYesYes
Acceptance Rate
Director of AdmissionsMr. Richard Eber

Course Listings

List of Courses OfferedLink to List of Courses

AP / Advanced Courses

# of AP / Advanced Courses Offered1518
CoursesAP Biology, AP Calculus BC, AP Chemistry, AP Comparative Government & Politics, AP Computer Science Principles, AP Economics, AP English Language & Composition, AP English Literature & Composition, AP French, AP Macroeconomics, AP Microeconomics, AP Physics, AP Physics 2, AP Statistics, AP U.S. Government & Politics, AP U.S. History, Italian, Latin may be offered at the discretion of the department


# Interscholastic Sports Offered516
SportsBasketball, Dance, Soccer, Tennis, Volleyball


Total Extracurricular Organizations2323
ExtracurricularsClub or Organization:
Art and Literature Magazine, Art Club, Athletics Committee, Boarding Council, Chess Club, Chorus and Select Chorus, Coffee Shop, Film Club, FIRST Robotics, Gay Straight Alliance, Junior Achievement Club, LARP, Mock Trial, Music Club, Newspaper, Photography Club, Pottery Activity, Pottery Room Monitor, Spirit Club, Whispers (Yearbook), Woodshop

Recreational Athletic Programs:
Fitness Club, Yoga

College Matriculation

Year: 2016 - 201810 Most Popular College Choices  (# Enrolled)
Washington University in St. Louis4
Knox College3
Northwestern University3
University of Chicago3
American University2
New York University2
Smith College2
The Johns Hopkins University2
Bowdoin College1
Stanford University1
Link to Matriculation Data

School Notes

  • The top-ranked Thomas Jefferson School (TJ) is internationally recognized as one of the best boarding and day schools. TJ stands in the Top 2% in America for Best High Schools for STEM and Best College Prep Private High Schools. Since 1946, TJ has instilled intellectual rigor and personal and social responsibility in its students as they prepare for college life. Visit the picturesque campus and experience what makes TJ one of the top schools in the country! Learn more at
  • Application deadline: January 11/Rolling
  • Top 3% Best Private High Schools in America (
  • 1450/31 is the average SAT/ACT score 
  • Thomas Jefferson School accreditations: ISACS, NAIS, TABS
  • Sample of notable school alumni/alumnae:
    • Hon. Thomas P. Griesa, '48 - Frmr US District Judge
    • Mr. Bernat Rosner, '50 - Frmr General Counsel of Safeway; Author
    • Mr. John H. Biggs, '54 - Director of Boeing Co.; Frmr CEO of TIAA-Cref
    • Mr. Irv Williamson, 61 - US International Trade Commissioner
    • Dr. Richard Levy, '63 - Pediatric Endocrinologist
    • Mr. Keith Williamson, '70 - Senior VP and General Counsel for Centene Corporation
    • Ms. Aimee Dowl, '92 - US Department of State; Author
    • Dr. Dave Messina, '92 - COO at Cofactor Genomics
    • Ms. Alisa Tang, '92 - Editor, Washington Post

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