St. Theresa of Lisieux Catholic High School is a secondary school in the Westbrook neighbourhood of Richmond Hill. Administered by the York Catholic District School Board, the school has approximately 1650 students between 9 and 12. In the most recent year tests were administered, 2022 - 2023, the school scored an average of 96% in English and 92% in Math on their provincial standardized tests.
Scores (0-100%) assigned
by the Education Quality and Accountability Office (EQAO),
a Province of Ontario Agency, indicate number of students
at or above the provincial standard in that subject
for target year.