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Welcome to Islip High School
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ParentSquare
All schools in our district use ParentSquare for school communication primarily with email, text, and app notifications.
ParentSquare automatically syncs with our student information system to generate an account for each parent, using their preferred email address and phone number. We encourage parents to access their accounts so they can download the mobile app and update their preferences on when and how they are notified.
ParentSquare is a safe, secure, and modern approach to communication and collaboration between school and home. Learn more and get started today by viewing our ParentSquare web page.
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Latest News
Stay up to date on exciting news, events and more with the ParentSquare app!
Islip students took an important step toward building a more inclusive school community as the district participated in its third annual Choose to Include Day.The event is part of the Special Olymp...
JUNE SAT Prep Course!!!!
Islip Hall of Fame Nomination Process is Open
Nominate a deserving individual today! Save the attached image and edit it on your device. Then send to the email address listed at the bottom of page 1.
Islip Students Selected for Prestigious Boys State and Girls State Programs
American Legion Boys State and ALA Empire Girls State are premier week-long leadership and citizenship programs that provide high school juniors with a hands-on experience in how government operate...

On behalf of the Islip High School (IHS) leadership team, I would like to welcome you to our school and to emphasize how excited we are to partner with you this school year. Together with our faculty and staff, we look forward to providing the best possible high school experience for all of our students. We encourage students to engage fully in their courses and to seek a balance between the academic challenge and the support that they need to be successful throughout the 2025-26 school year. At IHS, we are dedicated to promoting a growth mindset approach to teaching and learning consistent with our District vision. We hope that students will take advantage of extra help with their teachers and opportunities to meet with their school counselor and support staff as they navigate their high school years.