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SCHOOL COMMUNITY·RIO GRANDE CITY GRULLA ISD·NCES 483714004172

Grulla Middle School

FM 2360, GRULLA, TX 78548 · (956) 370-4335 · Starr County
GRADES 06–08MIDDLE41-RURALTITLE IREGULAR SCHOOL632 STUDENTS
C+
allk12 Grade
Scored higher than 43% of Texas public middle schools
  • CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • B-Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Texas public middle schools

Enrollment
632
Middle
DISTRICT 668 · STATE 643
Student : Teacher
10.9:1
58 FTE teachers
DISTRICT 11.6:1 · STATE 14.4:1
Free / Reduced Lunch
95%
600 students
DISTRICT 97% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 621434%
Grade 721834%
Grade 820032%
Student demographics
1%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 1% · STATE 63% · US 70%
White
20%
DISTRICT 0% · STATE 24% · US 43%
Hispanic
630100%
DISTRICT 100% · STATE 54% · US 30%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
31249%
Female
32051%

Discussions

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Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
51.0%
TX avg 54.5% . +38.0pp since 2020
Mathematics
39.0%
TX avg 45.3% . +32.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 51 of every 100 students at this school read at grade level and about 39 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 38 points since 2020, while math scores are up about 32 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading21.0%30.0%24.0%25.0%
Mathematics12.0%27.0%29.0%32.0%
Share of tested students at each STAAR level. Each student counts in one level, so a row adds to about 100%.

STAAR results by year

School yearReadingMathematics
2025-2651.0%39.0%
2024-2544.0%35.0%
2023-2441.0%26.0%
2022-2340.0%31.0%
2021-2236.0%20.0%
2020-2113.0%7.0%
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
35.2%
composite math + reading, all grades
Predicted
33.1%
based on TX schools with similar FRL share
Beats by
+2.0pp
above demographic expectation

What this means: About 35% of students here test proficient in math and reading, compared with the roughly 33% typical for Texas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Texas's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Grulla Middle School

Grulla Middle School's state test result (35.2% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Grulla Middle School this school63294.9%35.2%
Ringgold Middle School
RIO GRANDE CITY
63996.1%40.4%
Jesus - Jesse - Vela Jr Middle School
ALAMO
65496.0%42.1%
Oliveira Middle School
BROWNSVILLE
69994.8%40.9%
Los Obispos Middle School
LAREDO
62092.9%51.5%
Ann Richards Middle School
MISSION
66592.9%45.5%
Matched among Texas middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Grulla Middle School ranks

Among middle schools
MeasureThis schoolIn Texas
State test proficiency
ranked highest first
35.2%#1,162 of 1,635
Math proficiency
ranked highest first
39.0%#978 of 1,670
▲ 131
Reading proficiency
ranked highest first
51.0%#1,013 of 1,670
▲ 236
3-year test score change
ranked biggest gain first
+9.5pp#824 of 1,570
Enrollment
ranked largest first
632#875 of 1,749
Students per teacher
ranked fewest first
10.9:1#56 of 1,542
Diversity index
ranked most diverse first
0.6%#1,522 of 1,543
Free and reduced lunch
ranked highest share first
94.9%#113 of 1,648
Enrollment change since 2017-18
ranked steepest decline first
-7.3%#718 of 942
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
632
+9 (+1%) vs 2020
+60% since 1990-91, when it was 396
Student : Teacher
10.9:1
was 10.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2563257.910.9:195% (600)
2023-246095610.9:195% (581)
2022-2354754.810.0:197% (528)
2020-216235810.7:194% (584)
2017-1868257.311.9:190% (616)
2015-166976111.4:189% (619)
2010-117375613.2:179% (584)
2000-015284212.6:187% (457)
1990-913962615.2:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Grulla Middle School.

Since 2017-18: students down 7% (682 to 632); teachers up 1% (57.3 to 57.9).

About Grulla Middle School

Grulla Middle School is a mid-sized middle-grades school that serves part of GRULLA, Texas. It has an enrollment of 632 students in grades 6 through 8.

Grulla Middle School reports to RIO GRANDE CITY GRULLA ISD, which has 15 schools and 9,316 students.

By race and ethnicity, Grulla Middle School is 100% Hispanic. In Starr County overall, the Hispanic share is about 97%. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 1%.

With 57.9 full-time-equivalent teachers, the student-to-teacher ratio is about 10.9:1. Statewide, middle schools in Texas average 14.4:1. Roughly 95% of students come from households that qualify for free or reduced-price lunch. The figure for public schools in Starr County is close, at 93%.

Grulla Middle School earns a C+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 43% of Texas public middle schools.

On the allk12 BeatsExpectations measure, Grulla Middle School is 2.0 points above the average proficiency rate across its state test results predicted for its free or reduced-price lunch share: 35.2% actual, 33.1% predicted. That is outside both the top and bottom 10% in Texas.

Census data for Starr County show the median household earns about $37,639 a year, 14% of adults hold a bachelor's degree or higher, and about 31% of residents live below the federal poverty line. Public schools in Starr County number 29, with about 16,900 students.

Grulla Middle School's nearest public school is Grulla Elementary School (about 1.3 miles). The count of other public schools within five miles is 3. Grulla Middle School is 6th of 9 nearby schools by average proficiency rate.

The school's federal locale classification is Rural: Fringe.

Enrollment was essentially flat over 4 years: 623 in 2020-21, 632 in 2024-25.

This community page is for conversations about fundraisers, report cards, and school supplies. Teachers and staff are welcome to share updates too.

Starr County at a glance

View full county profile
Population
66,067
Census ACS
Median income
$37,639
Household, ACS
Bachelor's+
14%
Adults 25+
Poverty rate
31%
Below federal line
Schools in county
29
16,900 students

Quick facts

School name
Grulla Middle School
District
RIO GRANDE CITY GRULLA ISD
Address
FM 2360, GRULLA, TX 78548
Phone
(956) 370-4335
County
Starr County
Level
Middle
Grade range
06–08
Total enrollment
632
Teachers (FTE)
58
Student–teacher ratio
10.9:1
Free and reduced lunch
600 (95%)
Locale
41-Rural: Fringe
NCES ID
483714004172
Charter school
No
Virtual school
No

Related schools

Other schools in RIO GRANDE CITY GRULLA ISD
Other schools in GRULLA
Nearby schools

Frequently asked questions

About Grulla Middle School
How large is Grulla Middle School?
Grulla Middle School enrolls approximately 632 students in grades 06-08.
What age range does Grulla Middle School serve?
Grulla Middle School serves students from grade 06 through grade 08.
How many students per teacher at Grulla Middle School?
Approximately 10.9:1 students per teacher at Grulla Middle School.
What is the student diversity at Grulla Middle School?
Student demographics at Grulla Middle School are roughly 0% White, 100% Hispanic.
What district is Grulla Middle School in?
Grulla Middle School is part of RIO GRANDE CITY GRULLA ISD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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