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: 497 Students, 279 Families


  • Preschool program offered for four-year-old students
  • Full Day Pre-K classes: 8:15-2:55 pm. 
  • Half Day Pre-K classes 8:15-11:45 am.
  • 2 Pre-K homerooms, each with a full-time classroom aide


  • Full Day Kindergarten classes: 8:15 am to 3:05 pm.
  • Half Day Kindergarten classes: 8:15 am to 12:15 pm.
  • Both full- and half-day students remain on campus for lunch and recess.
  • 2 Kindergarten homerooms, each with a full-time classroom aide

1st-8th Grade

  • Two classes per grade level in grades 1-8
  • Dedicated classroom aides in grades 1-3
  • Shared classroom aide in grade 4

Our Administrative/Teaching Faculty

  • Full-time Assistant Principal
  • Full-time Reading Specialist
  • Part time Ascension 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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