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Biology teacher David Keener prepares notes on evolution for his fourth period class.

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TC Biology Teacher To Retire After 22 Years

Department chair reflects on students' progress.

“I’ve been very lucky to have a career where I truly do look forward to coming to work every day,” said T.C. Williams High School Science Department Chair David Keener, who will retire this month after teaching Advanced Placement Biology at TC for 22 years.


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