MS Science


Trinity-Byrnes provides a rigorous and well-rounded college preparatory curriculum. We have extensive offerings in English, Mathematics, Social Sciences, and Science, as well as in Art, Music, Dance and Drama. We offer Advanced Placement classes in Latin, English Language and Literature,…



We offer a broad range of opportunities in girls’ and boys’ athletics, and field a total of 16 teams at Varsity and JV level across Fall, Winter and Spring. Read our Athletics Vision, here ┬áRead a message from our Athletic…



At Trinity-Byrnes Collegiate, we believe that artistic development is critical to the growth of our students. Through our creative arts program, we cultivate students’ artistic and cultural awareness, as well as teach them problem solving skills that enhance their work…



New Gallery: Florida Manatee Trip

Upper School Marine Biology students took a trip to Florida to kayak with manatees, accompanied by teachers Rebecca Conway and Tyler Cook. See the pictures here.


February Open House at Trinity-Byrnes Collegiate

Prospective families are invited to visit Trinity-Byrnes during our Open House Sunday February 22, 2015 2-4pm Contact April Munn, Director of Admissions, for more information Tel: 843.395.9124


Lacrosse @Trinity-Byrnes!

Interested in learning about lacrosse? Why not come out to a free clinic at Trinity-Byrnes Collegiate Saturday January 31, 1-3pm Hosted by Coker College Cobras and co-sponsored with WestOil MLAX Clinic flier (pdf)

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Global Green Cup Energy Challenge @TrinityByrnes

During January and February the TBCS Green Team will be participating in the Global Green Cup Energy Challenge, a program of the Green Schools Alliance. Green Team students will measure and record our energy usage and compare it to previous…

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Derby Downs_Invitation

GALA/AUCTION 2015 – Derby Downs

On Your Mark! Our Annual Gala/Auction is Saturday, February 7, 2015, and we hope to see you there. This event is open to all Trinity-Byrnes families, alumni, and friends. Our theme this year is Derby Downs, so ladies get your…

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