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UNIONDALE UNION FREE SCHOOL DISTRICT — District Profile & Schools

UNIONDALE, New York · Nassau County

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Key Dates — UNIONDALE UNION FREE SCHOOL DISTRICT School Calendar

The first day of school in UNIONDALE UNION FREE SCHOOL DISTRICT is Tue, Sep 1, 2026, according to the district's published calendar. Scheduled breaks include No School- Thanksgiving Recess (Wed, Nov 25, 2026 to Fri, Nov 27, 2026), No School- Christmas/ Winter Recess (Thu, Dec 24, 2026 to Fri, Jan 1, 2027).

First day of school
Tue, Sep 1, 2026
No School- Thanksgiving Recess
Wed, Nov 25, 2026 to Fri, Nov 27, 2026
No School- Christmas/ Winter Recess
Thu, Dec 24, 2026 to Fri, Jan 1, 2027
No School- Labor Day
Mon, Sep 7, 2026
No School- Yom Kipper
Mon, Sep 21, 2026
No School- Indigenous Day/Columbus Day
Mon, Oct 12, 2026
No School- Veteran's Day
Wed, Nov 11, 2026
No School- MLK Day
Mon, Jan 18, 2027
6,210
Students
8
Schools
5 elem · 2 mid · 1 high
11.5:1
Student-Teacher
542 teachers
-1 - 12
Grades

Quick Facts

776
Avg. School Size
1,205
Total Staff

UNIONDALE UNION FREE SCHOOL DISTRICT Calendar

11 events

Fri, Aug 21

Event

Incoming 6th Grade Orientation

Tue, Sep 1

Event

First Day of School

Mon, Sep 7

Holiday

No School- Labor Day

Mon, Sep 21

Event

No School- Yom Kipper

Mon, Oct 12

Event

No School- Indigenous Day/Columbus Day

Tue, Nov 3

Event

Superintendent's Day

Wed, Nov 11

Event

No School- Veteran's Day

Nov 25 - 27

Break

No School- Thanksgiving Recess

Thu, Dec 3

PD Day

Elementary Schools - Parent Teacher Conferences

Thu, Dec 24 - Fri, Jan 1

Break

No School- Christmas/ Winter Recess

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Data source: official UNIONDALE UNION FREE SCHOOL DISTRICT website · Last verified Jul 7, 2026 · How we verify this data

Contact

Address
933 GOODRICH ST
UNIONDALE, NY 11553
Phone
(516)560-8824

Staff & Students

Teachers (FTE)
542
Total Staff
1,205
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about UNIONDALE UNION FREE SCHOOL DISTRICT

The first day of school in UNIONDALE UNION FREE SCHOOL DISTRICT is Tue, Sep 1, 2026, according to the district's published calendar.

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