My name is Dr. Richard Thomas. This is my fifth year at Cornerstone and my 36th year as a teacher. I currently teach 3 sections of Honors Biology and two sections of AP Environmental Science (APES).
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My name is Dr. Richard Thomas. This is my fifth year at Cornerstone and my 36th year as a teacher. I currently teach 3 sections of Honors Biology and two sections of AP Environmental Science (APES).
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