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Immunization of School Pupils Act

This page provides resources and guidance for school administrators across Windsor and Essex County relating to the enforcement of the Immunization of School Pupils Act.

The documents provided on this page are Portable Document Format (pdf) files. For a Word version of these documents, please contact the Healthy Schools Department.

Information and Resources

Immunization Of School Pupils Act (ISPA) Frequently Asked Questions

This document is a list of commonly asked questions about the ISPA enforcement process. School Administrators can refer to this document when following up with parents/guardians who have ISPA-related questions. Topics range from general immunization questions to information about immunization records and how to report immunizations to the Health Unit. This resource is available in English and French.

Immunization Notice Letter

This is the first letter that parents and guardians received informing them that the Windsor-Essex County Health Unit had incomplete records of their child’s immunizations. This letter provided guidance to parents/guardians in order to avoid enforcement actions under the ISPA.

These letters are available for download in the following languages, English, FrenchArabic, and Spanish.

Suspension Order Letter

This letter was sent to parents requiring them to take action to update their elementary child’s immunization record. Parents are reminded to make immunization appointments with health care providers or the health unit and/or update immunization records online at

This letter is available for download in the following languages, English, French, Arabic, and Spanish, and can be shared with families at your school.

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Last modified: 
Wednesday, January 25, 2023 - 10:49am