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SAN MARCOS CISD — District Profile & Schools

SAN MARCOS, Texas · Hays County

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Key Dates — SAN MARCOS CISD School Calendar

The first day of school in SAN MARCOS CISD is Wed, Aug 19, 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), Winter Break (Mon, Dec 21, 2026 to Fri, Jan 1, 2027), Spring Break (Mon, Mar 15, 2027 to Fri, Mar 19, 2027).

First day of school
Wed, Aug 19, 2026
Last day of school
Thu, May 27, 2027
Thanksgiving Break
Mon, Nov 23, 2026 to Fri, Nov 27, 2026
Winter Break
Mon, Dec 21, 2026 to Fri, Jan 1, 2027
Spring Break
Mon, Mar 15, 2027 to Fri, Mar 19, 2027
Labor Day
Mon, Sep 7, 2026
District Holiday
Fri, Oct 9, 2026 to Mon, Oct 12, 2026
Martin Luther King Jr. Day
Mon, Jan 18, 2027
Presidents' Day
Mon, Feb 15, 2027
District Holiday
Fri, Mar 26, 2027
8,311
Students
11
Schools
7 elem · 2 mid · 1 high
13.5:1
Student-Teacher
616 teachers
-1 - 12
Grades

Quick Facts

756
Avg. School Size
1,346
Total Staff

SAN MARCOS CISD Calendar

16 events

Source

Jun 5 - 6

Event

Rattler Softball Camp

Rattler Softball Camp

Jun 8 - 11

Event

Junior Dance Camp

Junior Dance Camp

Jun 22 - 24

Event

Boys Rattler Basketball Camp

Boys Rattler Basketball Camp

Mon, Jun 29 - Thu, Jul 2

Event

Junior Rattler Cheer Camp

Junior Rattler Cheer Camp at San Marcos High School

Jul 20 - 23

Event

Little Lady Rattler FC Soccer Camp

Little Lady Rattler FC Soccer Camp at San Marcos High School

Wed, Aug 19

Event

First Day of School

First Day of School - San Marcos Consolidated Independent School District

Mon, Sep 7

Holiday

Labor Day

No School - San Marcos Consolidated Independent School District

Fri, Oct 9

Holiday

District Holiday

No School - San Marcos Consolidated Independent School District

Mon, Oct 12

Holiday

District Holiday

No School - San Marcos Consolidated Independent School District

Nov 23 - 27

Break

Thanksgiving Break

Thanksgiving Break - San Marcos Consolidated Independent School District

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Data source: official SAN MARCOS CISD website · How we verify this data

Contact

Address
P O BOX 1087
SAN MARCOS, TX 78667
Phone
(512)393-6744

Staff & Students

Teachers (FTE)
616
Counselors
21
Total Staff
1,346
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about SAN MARCOS CISD

The first day of school in SAN MARCOS CISD is Wed, Aug 19, 2026, according to the district's published calendar.

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