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MERCEDES ISD — District Profile & Schools

MERCEDES, Texas · Hidalgo County

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Key Dates — MERCEDES ISD School Calendar

The first day of school in MERCEDES 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 Thanksgiving Break (Mon, Nov 23, 2026 to Fri, Nov 27, 2026), HOLIDAY - THANKSGIVING BREAK (Mon, Nov 23, 2026 to Fri, Nov 27, 2026), Winter Break (Mon, Dec 21, 2026 to Wed, Jan 6, 2027), HOLIDAY - CHRISTMAS BREAK (Mon, Dec 21, 2026 to Wed, Jan 6, 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
Thanksgiving Break
Mon, Nov 23, 2026 to Fri, Nov 27, 2026
HOLIDAY - THANKSGIVING BREAK
Mon, Nov 23, 2026 to Fri, Nov 27, 2026
Winter Break
Mon, Dec 21, 2026 to Wed, Jan 6, 2027
HOLIDAY - CHRISTMAS BREAK
Mon, Dec 21, 2026 to Wed, Jan 6, 2027
Spring Break
Mon, Mar 15, 2027 to Fri, Mar 19, 2027
HOLIDAY - LABOR DAY
Mon, Sep 7, 2026
Labor Day
Mon, Sep 7, 2026
HOLIDAY - GOOD FRIDAY
Fri, Mar 26, 2027
HOLIDAY - MEMORIAL DAY
Mon, May 31, 2027
4,393
Students
12
Schools
4 elem · 2 mid · 3 high
13.6:1
Student-Teacher
322 teachers
-1 - 12
Grades

Quick Facts

366
Avg. School Size
758
Total Staff

MERCEDES ISD Calendar

38 events

Source

Wed, Aug 12

Event

First Day of School

First Day of School - Mercedes Independent School District

Fri, Aug 28

Event

CMS Pep-Rally "Black Out the Cherokees"

CMS Pep-Rally "Black Out the Cherokees"

Fri, Sep 4

PD Day

NO CLASSES - PROFESSIONAL LEARNING DAY

Mon, Sep 7

Holiday

HOLIDAY - LABOR DAY

Mon, Sep 7

Holiday

Labor Day

No School - Mercedes Independent School District

Fri, Sep 11

Event

CMS Pep-Rally "Surfin' Our Way to Victory!"

CMS Pep-Rally "Surfin' Our Way to Victory!"

Fri, Sep 18

Event

End of the 1st Six Weeks

End of the 1st Six Weeks

Mon, Sep 21

Event

Start of the 2nd Six Weeks

Start of the 2nd Six Weeks

Fri, Sep 25

Event

CMS Pep-Rally "Hunt for the Win!"

CMS Pep-Rally "Hunt for the Win!"

Fri, Oct 9

Event

WELLNESS DAY - NO CLASSES

WELLNESS DAY - NO CLASSES

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

Contact

Address
P O BOX 419
MERCEDES, TX 78570
Phone
(956)514-2000

Staff & Students

Teachers (FTE)
322
Counselors
13
Total Staff
758
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about MERCEDES ISD

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

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