School Profile and Accreditation

St. Petronille School, established in 1926, is a nine year (PK4 year old program-8th grade) Catholic day school located in Glen Ellyn, IL. St. Petronille provides: 

  • A devoted and demanding staff that offers the support and attention necessary for academic excellence and distinction.
  • A wide range of extracurricular activities to develop the social and personal skills of each student.
  • Religious instruction and opportunities for prayer and reflection that nurture the faith life of the faculty and students.

About St. Petronille School

  • Religious Affiliation: Roman Catholic, Diocese of Joliet
  • Enrollment: 408 Students, 249 Families


  • Full Day PK-4 year old classes, 8:15-3:15 pm.  Half Day PK4 year old classes 8:15-12:15 pm.
  • Full Day Kindergarten classes, 8:15 am to 3:15 pm. Half Day Kindergarten, 8:15 am to 12:15 pm.
  • Both full- and half-day students remain on campus for lunch and recess.
  • We have 2 Kindergarten homerooms, each with a full-time Paraprofessional (a teacher’s aide who is also a certified teacher).
  • Each Kindergarten homeroom (and teacher) will have a mix of both full- and half-day students.

First through Eighth Grade

  • Two classes per grade level in grades 1-8, each lower level class has a teacher's aide.

Our Administrative/Teaching Faculty

  • Average Faculty Tenure: 10.9 years
  • Full-time Assistant Principal
  • Full-time Reading Specialist
  • Part time Amita Health Care Counselor
  • Full-time Nurse

School Accreditation and Associations

  • Illinois State Board of Education (Fully Recognized and Updated in 2018)



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