Phone: 810-591-6454


Degrees and Certifications:

B.S. in Mathematics & Earth Science M.A. in Curriculum and Teaching

Mrs. Lia O'Toole

Mrs. O'Toole is a GBHS graduate. She earned her B.S. in Mathematics and her M.A. in Curriculum and Teaching from Michigan State University. She has taught Pre-Algebra, Algebra 1, Geometry, Honors Geometry, Trigonometry, Probability & Statistics, Sports Statistics, Intro to Calculus, and AP Calculus AB for fourteen years at GBHS. She lives in Grand Blanc with her husband, Matt, her four-year-old daughter, Helen, and one-year-old son, Patrick. Aside from teaching mathematics and spending time with her family, she loves discovering new places, doing artsy/crafty stuff, watching Netflix, hanging out with her teacher peeps, trying to keep her plants alive, and reading for five minutes in bed before she passes out at night.