Total enrollment
3,628
-47 (-1%) vs SY 2020-21
Limestone County
Texas · Public K-12
Of the 11 public K-12 schools in Limestone County, the largest district by enrollment is Mexia ISD (1,846 students). Total county enrollment runs around 3,628. By level, that breaks down as 4 elementary, 4 middle, and 3 high schools.
4-year change in Limestone County
SY 2020-21 vs SY 2024-25School count
11
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Limestone County ranks
Among counties| Measure | This county | In Texas | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 37.3% | #168 of 192 | N/A |
| Enrollment ranked largest first | 3,628 | #117 of 196 | #1,647 of 2,745 |
| Number of schools ranked most first | 11 | #119 of 196 | N/A |
| Students per teacher ranked fewest first | 12.8:1 | #71 of 196 | #837 of 2,655 |
| Free or reduced-price lunch share ranked highest first | 73.6% | #30 of 196 | #642 of 2,526 |
| Diversity index ranked most diverse first | 67.6% | #16 of 192 | #205 of 2,707 |
Counties need at least 3 schools and 1,000 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Limestone County school rankings
Residents
22,283
all ages · ACS 5-yr
Schools
11
3 districts
Enrollment
3,628
students · NCES CCD
Median income
$60,573
Below Texas avg
Free/reduced lunch
73.7%
Above Texas avg
Elementary
4
1,543 students
Middle
4
913 students
High
3
1,172 students
Combined / other
0
schools
LARGEST DISTRICT
MEXIA ISD
1,846 students · 3 districts in Limestone County
County vs. school enrollment demographics
Left bar is the racial makeup of Limestone County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
18.5%
adults 25+
Poverty rate
10.9%
ACS 5-year
Unemployment
3.7%
civilian labor
Median age
42
22.4% under 18
Test scores in Limestone County
Latest 2025-26 ELA proficiency, 9 schools ranked. Texas state average: 55.6%.
Top 5 schools (ELA)
- COOLIDGE EL· 57.0%
- COOLIDGE H S· 54.0%
- GROESBECK MIDDLE· 51.0%
- ENGE-WASHINGTON INT· 45.0%
- GROESBECK H S· 45.0%
Lowest 5 schools (ELA)
- MEXIA J H· 38.0%
- H O WHITEHURST EL· 41.0%
- MEXIA H S· 41.0%
- R Q SIMS INT· 43.0%
- ENGE-WASHINGTON INT· 45.0%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| MEXIA H S | Mexia | High | 09-12 | 535 | · |
| A B MCBAY EL | Mexia | Elementary | PK-02 | 498 | · |
| GROESBECK H S | Groesbeck | High | 09-12 | 497 | · |
| H O WHITEHURST EL | Groesbeck | Elementary | PK-03 | 470 | · |
| R Q SIMS INT | Mexia | Elementary | 03-05 | 428 | · |
| MEXIA J H | Mexia | Middle | 06-08 | 367 | · |
| ENGE-WASHINGTON INT | Groesbeck | Middle | 04-06 | 320 | · |
| GROESBECK MIDDLE | Groesbeck | Middle | 07-08 | 208 | · |
| COOLIDGE EL | Coolidge | Elementary | PK-05 | 147 | · |
| COOLIDGE H S | Coolidge | High | 06-12 | 140 | · |
| DEVELOPMENTAL CTR | Mexia | Middle | 05-11 | 18 | · |
Cities in Limestone County
About Limestone County
Limestone County is a low-population county of about 22,283 residents in Texas. Its public-school system enrolls approximately 3,628 students across 11 schools.
Zooming out, census numbers show median household income runs near $60,573, 19% of adults hold a bachelor's degree or higher, and roughly 11% of residents live below the federal poverty line. That income level is 9% lower than the Texas median.
For a sense of the school types, Limestone County spans 4 elementary schools (1,543 students), 4 middle schools (913), and 3 high schools (1,172).
MEXIA ISD is the biggest district by enrollment, covering about 1,846 students across Limestone County.
Trend over the past 4 years. Total public-school enrollment in Limestone County has remained close to its prior level since SY 2020-21, moving from about 3,675 students to 3,628.
In the discussion threads here, the community for Limestone County discusses comparison threads between local schools and program reviews. Posts come from current and former families, staff, and alumni.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data