Thomas Jefferson School

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United States
Sunset Hills, MO
Thomas Jefferson School

Offering high-ability boarding and day students in grades 7–12 the strongest possible college-prep program within a close-knit, international community

Since 1946, Thomas Jefferson School has given students the best environment in which to grow: an unparalleled classical curriculum that emphasizes both doors of the liberal arts (numbers and words) and provides true intellectual depth; varied arts and activities offerings; an emphasis on community and responsibility; and high expectations in every area of school life. That covers quite a bit of gr

ound, doesn’t it? Top 30 boarding school in the US
Top 100 for all private high schools in the US
Top 1% diverse private high school in the US
Top 1.7% for all college-prep schools in the US
Top 2% for STEM of all high schools in the US
#1 diverse private high school in Missouri

08/27/2026

TJ’s Opening Day welcomed students from around the world back to campus! 🌎💙 We’re excited to have everyone together and ready to kick off the 2026–27 school year. Classes begin tomorrow—let’s go, TJ! Arete = Excellence

08/26/2026

Our boarding students are shaking off the jet lag, getting acclimated to campus and the Midwest, and squeezing in some fun at Activate Games St. Louis Activate!

Opening Day brings our boarding and day students together as we kick off another year of learning, friendships, and fun at TJ. We’re excited to have everyone back, meet our new students, and see what the year brings! 📚📓🖊️📐📏📙📝🎓

08/25/2026

Boarding Council members are among the first students to arrive on the TJ campus each year! As campus leaders, they help welcome our new boarders, including giving tours and helping those who are experiencing TJ for the very first time feel at home. 💙💛

08/23/2026

Dr. Miller and Ms. Cunningham have a surprise for boarders! Yes, we let Dr. Asuni be our little helper today! 👊🏻🙌🥸 Yay for Boarding Council to start arriving tomorrow! 🎉

08/22/2026

We said goodbye and happy retirement to Clayton Gardner today! After three decades of cleaning up after hundreds of TJ students and teachers, he is going to relax! Many thanks to Clayton, we will miss you!

08/21/2026

We are excited to have McKinley Witbrodt as our new Jostens yearbook rep! Our favorite yearbook rep, Liz Bardin, has been promoted and is still keeping an eye on us! McKinley has already helped us schedule our deadlines and will join the Yearbook Club at our first meeting to get us started on the right track!

08/20/2026

New blinds in classrooms! Thanks to Made in the Shade St Louis, we have awesome shades in every room! Made in the Shade St. Louis

08/18/2026

Faculty and staff are back! Mrs. Roth beat Mr. Smith in the art of bandaging during first aid training.

08/13/2026

Yuliana Rust ‘23 came back to visit before she leaves for a semester in London. The playbill Eric Steere is showing off is from the full-length musical she wrote the music, book, and lyrics for—Post Grad —performed at UNC last April. Congratulations, Yuliana!

08/04/2026

August is here, and the Thomas Jefferson School campus is buzzing with activity! Our staff has been hard at work preparing campus for the new school year, while faculty have started stopping by to get classrooms and lessons ready. In just a few short weeks, our students will be back, and we can’t wait to welcome them home!

Address

4100 S Lindbergh Boulevard
Sunset Hills, MO
63127

Telephone

+13148434151

Website

http://www.tjs.org/

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