Thomas Jefferson School (TJ) is a co-educational, non-sectarian, independent boarding and day school located in suburban St. Louis, Missouri. We educate a purposefully diverse and deliberately sized group of academically talented students spanning grades 7-12.
In our tight-knit, nurturing community, students embody our mission by "developing a responsibility for their own learning and a desire to lift up the world with beauty and intellect."
TJ at a Glance
Latest News
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Sophomore Tina Zhu Wins Statewide Writing Awards
Winners were selected from hundreds of submissions received throughout Missouri and the Kansas City, Kansas area.Read More -
TJ Alumnus Published by STL Post Dispatch
In a January article, Keith Williamson '70 shares insight about student performance in a post-pandemic Missouri.Read More -
Students awarded in Italian Language Video Contest
Kudos to Rustin Javadimotlagh '23, Bella Lai '24, and Daniel Li '24 for being recognized for their submission to the K-12 Italian Language Video Contest!Read More -
Mrs. Amanda Correa receives award for excellence in student & residential Life
Nov. 15, 2022 – TJ's Director of Residential Life, Amanda Correa, was one of three recipients to receive the Burch Ford Kaleidoscope Award this past week at The Association of Boarding Schools (TABS) annual conference.Read More -
New food service partner: FLIK Independent School Dining
Beginning December 1, TJ will partner with FLIK Independent School Dining to provide a campus dining program that is focused on inclusive menus with locally and sustainably sourced ingredients.Read More -
TJ Basketball: Live stream and score updates
Basketball season is upon us! We hope everyone can make it to campus once in a while to cheer on the Titans, but if you're unable able to join us in person, all home games (including JV) will be live streamed by the National Federation of High Schools.Read More -
At TJ, Learning Goes Beyond the Classroom
Read MoreAt TJ, we strive to give our students an awareness of the larger community beyond their school and their individual social circles. To that end, all students complete a required number of service hours by the beginning of their senior year, and TJ's annual All-School Service Learning Day provides an opportunity for students along with faculty and staff to join in acts of service together. By helping others and participating in activities that do not provide monetary rewards, students gain a sense of responsibility for themselves and for the world in which they live. -
Kendal McCarter has been named an ISACS Lead Learner
Kendal McCarter has been named as TJ's Lead Learner for the Independent Schools Association of the Central States (ISACS). ISACS is TJ's accrediting organization, in addition to offering professional development and networking opportunities for those who work in independent schools.Read More -
TJ Ranked #28 in Best Boarding Schools in the US!
We are thrilled to announce that TJ has been recognized as a 2023 Best School by Niche! We ranked #28 Best Boarding School out of 418 schools in the nation and #2 in Best Private High Schools in Missouri.Read More -
Commended Students in the 2023 National Merit Scholarship Program
Congratulations to Barron Sie '23 and Charlie Stucke '23! Both students have been named Commended Students in the 2023 National Merit Scholarship Program.Read More
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Start Your TJ Journey
The best way to get to know TJ is by spending time on campus, meeting our students and experiencing our classes. See our community for yourself at one of our open houses, shadow days, or let us create the perfect visit just for you.
