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LANCASTER ISD — District Profile & Schools

LANCASTER, Texas · Dallas County

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Key Dates — LANCASTER ISD School Calendar

The first day of school in LANCASTER ISD is Wed, Aug 12, 2026, and the last day of school is Thu, May 27, 2027, according to the district's published calendar. Scheduled breaks include Fall Break (Mon, Oct 12, 2026 to Fri, Oct 16, 2026), Thanksgiving Break (Mon, Nov 23, 2026 to Fri, Nov 27, 2026), Winter Break (Mon, Dec 21, 2026 to Tue, Jan 5, 2027), Spring Break (Mon, Mar 15, 2027 to Fri, Mar 19, 2027).

First day of school
Wed, Aug 12, 2026
Last day of school
Thu, May 27, 2027
Fall Break
Mon, Oct 12, 2026 to Fri, Oct 16, 2026
Thanksgiving Break
Mon, Nov 23, 2026 to Fri, Nov 27, 2026
Winter Break
Mon, Dec 21, 2026 to Tue, Jan 5, 2027
Spring Break
Mon, Mar 15, 2027 to Fri, Mar 19, 2027
Labor Day
Mon, Sep 7, 2026
Professional Learning / Student Holiday
Tue, Nov 3, 2026
Martin Luther King Jr. Day
Mon, Jan 18, 2027
7,014
Students
#75 in TX
11
Schools
6 elem · 2 mid · 1 high
17.1:1
Student-Teacher
411 teachers
-1 - 12
Grades

LANCASTER ISD Calendar

11 events

Source

Wed, Jul 15

Event

Lancaster ISD Board Meeting

Wed, Aug 12

Event

First Day of School

First Day of School - Lancaster Independent School District

Wed, Aug 26

Event

Lancaster ISD Board Meeting

Mon, Sep 7

Holiday

Labor Day

No School - Lancaster Independent School District

Oct 12 - 16

Break

Fall Break

Fall Break - Lancaster Independent School District

Tue, Nov 3

Holiday

Professional Learning / Student Holiday

No School - Lancaster Independent School District

Nov 23 - 27

Break

Thanksgiving Break

Thanksgiving Break - Lancaster Independent School District

Mon, Dec 21 - Tue, Jan 5

Break

Winter Break

Winter Break - Lancaster Independent School District

Mon, Jan 18

Holiday

Martin Luther King Jr. Day

No School - Lancaster Independent School District

Mar 15 - 19

Break

Spring Break

Spring Break - Lancaster Independent School District

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Data source: official LANCASTER ISD website · How we verify this data

Contact

Address
422 S CENTRE AVE
LANCASTER, TX 75146
Phone
(972)218-1400

Staff & Students

Teachers (FTE)
411
Counselors
16
Total Staff
903

Compared to TX Average

Enrollment
+36%
State avg: 5,141
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about LANCASTER ISD

The first day of school in LANCASTER ISD is Wed, Aug 12, 2026, according to the district's published calendar.

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