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St. Teresa High School is a secondary school serving the Decatur, Illinois area.
As a Catholic school committed to the development of the whole person, St. Teresa seeks to integrate faith and life by instructing students in human knowledge and skills in the light of the gospel.
As a Catholic school committed to the development of the whole person, St. Teresa seeks to integrate faith and life by instructing students in human knowledge and skills in the light of the gospel.
St. Teresa High School, a Catholic Secondary School committed to the development of the whole person, seeks to integrate faith and life by instructing students in human knowledge and skills in the light of the gospel.
Educationally, it strives to foster a reverence for learning and to equip students with the professional and technical competencies to function in a modern society; psychologically, the program hopes to guide students to an understanding of self and others and to a facility in the means of human communication.
Spiritually, St. Teresa seeks to lead students, through prayer and instruction, to a deeper and more faith-filled sense of their own worth as gifted, though flawed, individuals and to a personal experience with God.
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
The average private school tuition in Illinois is $10,981 for elementary schools and $15,730 for high schools (read more about average private school tuition across the country).
