The first day of school in KATONAH-LEWISBORO UNION FREE SCHOOL DISTRICT is Tue, Sep 8, 2026, and the last day of school is Fri, Jun 26, 2026, according to the district's published calendar. Scheduled breaks include Thanksgiving Recess - Schools Closed (Thu, Nov 26, 2026 to Fri, Nov 27, 2026), Holiday Recess - Schools Closed (Thu, Dec 24, 2026 to Fri, Jan 1, 2027), MPES PTO 5th Gr. Pancake Breakfast (snow date 1/30) (Sat, Jan 23, 2027), Winter Recess - Schools Closed (Mon, Feb 15, 2027 to Fri, Feb 19, 2027), Spring Recess - Schools Closed (Mon, Mar 22, 2027 to Fri, Mar 26, 2027).
- First day of school
- Tue, Sep 8, 2026
- Last day of school
- Fri, Jun 26, 2026
- Thanksgiving Recess - Schools Closed
- Thu, Nov 26, 2026 to Fri, Nov 27, 2026
- Holiday Recess - Schools Closed
- Thu, Dec 24, 2026 to Fri, Jan 1, 2027
- MPES PTO 5th Gr. Pancake Breakfast (snow date 1/30)
- Sat, Jan 23, 2027
- Winter Recess - Schools Closed
- Mon, Feb 15, 2027 to Fri, Feb 19, 2027
- Spring Recess - Schools Closed
- Mon, Mar 22, 2027 to Fri, Mar 26, 2027
- Juneteenth - Schools Closed
- Fri, Jun 19, 2026
- Labor Day
- Mon, Sep 7, 2026
- Yom Kippur - Schools Closed
- Mon, Sep 21, 2026
- Columbus Day/Indigenous People's Day - Schools Closed
- Mon, Oct 12, 2026
- Veterans' Day - Schools Closed
- Wed, Nov 11, 2026
- KES 5th Gr. Thanksgiving Parade
- Wed, Nov 25, 2026
- IMES PTO Holiday Boutique (evening hours on 12/10)
- Tue, Dec 8, 2026 to Fri, Dec 11, 2026
- KES PTO Holiday Gift Wrap Night (snow date 12/16)
- Tue, Dec 15, 2026
- Christmas Day
- Fri, Dec 25, 2026
- Martin Luther King Day - Schools Closed
- Mon, Jan 18, 2027