St. Peter Marian is dedicated to educating students to strive for academic excellence, develop their faith and contribute to the human community through service to others as espoused by the shared values of the Sisters of St. Joseph and Sisters of Mercy. Our Company Page provides general information about St. Peter Marian. St. Peter Marian is a Roman Catholic diocesan school for Grades 7-12 located in the Diocese of Worcester. We provide our 450 students with a college preparatory curriculum and nurturing environment that cultivates their growth. We have a proven track record of guiding students to higher education: 98% of our graduates have matriculated to college over the last five years. Our academic philosophy blends traditional teaching methodologies with innovative programs. Recently, we began integrating Project Lead the Way (a certified, nationally recognized STEM program) into our Math and Science Departments to develop skills students will need for the 21st Century. We offer a wide array of extracurricular activities, including 26 athletic programs, a strong emphasis on art, an annual school musical, a mock trial team, an active student government association, and many, many more ways for students to get involved.