MHR Internal Calendar April 29, 2026 All School Mass April 29, 2026 @ 8:30 am - 9:30 am May 1, 2026 Principal's Day May 1, 2026 May 4, 2026 May Crowning May 4, 2026 @ 9:00 am - 10:00 am May 6, 2026 NYS Math State Testing May 6, 2026 - May 7, 2026 @