These enrollment data are collected as part of NYSED's Student Information Repository System (SIRS). These counts are as of "BEDS Day" which is typically the first Wednesday in October.
Available are enrollment counts for public and charter school students by various demographics for the 2017 - 18 school year. For nonpublic school enrollment data please see the Non-Public School Enrollment and Staff information on our Information and Reporting Services webpage. Enrollment Data - Glossary of Terms | Business Rules