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Mathematics and Computer Science

The Math and Computer Science department faculty model their joy of teaching and hope to foster a similar love for lifelong learning in their students, by providing opportunities for students to explore deep mathematical concepts in a collaborative and inclusive academic environment.

Andrea "Andrea" Sorrells



Andrea B. Sorrells is embarking on her 28th year as a teacher of mathematics. A native of Georgia, she received her B.A. from Agnes Scott College and an Ed.M. from the Harvard Graduate School of Education. For 16 years she taught mathematics in the public school system. During that time she was nominated for the PAEMST—Presidential Award for Excellence in Mathematics and Science Teaching and in 2000 she received the UConn Huskies Teacher of the Year Award. Andrea joined the faculty of Choate Rosemary Hall in 2010 in the Mathematics and Computer Science department. In the summer of 2011, she began her work with Choate Summer Programs as a math teacher. Over the next 10 years she served as a teaching intern mentor, a middle school girls dean, and Interim Dean of Students.

Andrea lives on campus with her husband Brian, who works in the Choate library and her two children both of whom attended Choate Summer Programs and Choate Rosemary Hall. Isabel graduated from Choate in 2019 and David is a member of the Choate Class of 2022. Andrea is passionate about the intersectionality of teaching and E&I work. In 2018, she participated in Choate’s inaugural SEED cohort and joined the Driving Equity Committee at Choate. In 2020, she was a founding member of WARE (white antiracist educators) and currently serves on the town of Wallingford’s Equity and Inclusion Committee.


Work Phone
(203) 697-2061
Department Head, Teacher

Faculty Information

Mathematics & Computer Science
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Mathematics Teacher

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Course Previews

Here are just a few classes offered by the Mathematics and Computer Science Department: