Student enrolment data by school and grade as reported by school boards in the Ontario School Information System (OnSIS), October submission for the specified academic year. The data includes: * board number and name * school number, name, type, level and language * Enrolment by grade The following elementary and secondary school types are included: * public * Catholic The data excludes, private, publicly funded hospital and provincial schools, care and/or treatment, Education and Community Partnership Program (ECPP) facilities, summer schools, night schools and adult continuing education day schools. Includes Temporary Remote Learning Schools (TRLS). To protect privacy, numbers are suppressed in categories with less than 10 students. Numbers that represent 10 or more students are rounded to the nearest count of five.