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Very Good

#2504 of 8,547 schools in TX

Top 29% in state

Mambrino School

Elementary School · GRANBURY ISD

3835 MAMBRINO HWY, Granbury, TX 76048

Enrollment

830

Student-Teacher

15.4:1

Score

7.2

Grades

Pre-K – 5th

Updated 2022-23

How this school compares

In Granbury

#8 of 10

public schools

Texas elementary schools

#1,294 of 4,678

In district

#8 of 10

GRANBURY ISD

Academic performance

8.4 / 10

Very strong

About Mambrino School

Mambrino School serves students in prekindergarten through fifth grade in rural Granbury, just outside Hood County's town center. With an enrollment of 830 students and 54 full-time equivalent teachers, the school maintains a student-teacher ratio of 15.4 to 1, allowing for meaningful classroom interactions across grade levels. Academically, Mambrino sits at the 66th percentile statewide, ranking #2958 out of 8598 Texas schools.

The school's academic score of 8.0 out of 10 reflects solid foundational work, though there's room for growth in core subjects. Currently, 56% of students are proficient or above in mathematics, while 51% meet proficiency benchmarks in English language arts and reading across grade levels. These figures suggest the school is working to strengthen student mastery in both areas.

As a regular public elementary school, Mambrino provides a traditional educational experience for its community. Its rural setting near Granbury creates a quieter, small-town atmosphere where families may appreciate closer-knit school connections and a focus on foundational learning in the early grades.

What Parents Should Know

Located in a rural area, Mambrino School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress7.7Very Good50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-3 pts/yr
Data Period2019–2021
TrendDeclining
Academics8.4Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency53%
Reading/ELA Proficiency48%
Overall Proficiency51%
Expected (poverty-adj.)45%
vs. Expected+6.0 pts
Adjusted Percentile76th
College ReadinessNot Available

Data not available for this school

Resources & Environment4.4Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.4:1
Per-Pupil Spending$10,259

Mambrino School — Students at Mambrino School score 50% proficient, which is above what's typical for similar communities (expected: 45%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

50.5%

Students qualifying for federal meal assistance

Test Scores TX EDFACTS (2020-21)

Math Proficiency 56.0%
School
State
N/A
ELA Proficiency 51.0%
School
State
N/A

Based on 4 test records from TX state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
59%
ELA
54%
2021*
Math
53%
ELA
48%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.7/10.

How Mambrino School Compares

See how Mambrino School performs across key quality dimensions compared to state benchmarks.

Overall Score
7.2/10
71th percentile in TX
Academic
8.4/10
8.4/10
Growth
7.7/10
Above average
Environment
4.4/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
51%
Teaching Staff
15:1 student-teacher ratio
54 teachers

Location

3835 MAMBRINO HWY, Granbury, TX 76048

Nearby Alternatives

Families considering Mambrino School may also want to explore other elementary schools in the area. OAK WOODS SCHOOL (rated 8.4/10, 5.0 miles away), which scores notably higher. Another option is NETTIE BACCUS EL (rated 8.4/10, 7.7 miles away), which scores notably higher. Additionally, GLEN ROSE INT (rated 8.3/10, 10.7 miles away, in nearby Glen Rose), which scores notably higher. For more schools in Granbury, see our Granbury schools guide .

Nearby Schools

20 within 11.2 mi
School Distance Rating
ACTON EL Granbury 4.3 mi 7.3
OAK WOODS SCHOOL Granbury 5.0 mi 8.4
ACTON MIDDLE Granbury 5.1 mi 7.9
PREMIER H S OF GRANBURY Lewisville 4.9 mi 6.9
LAKE GRANBURY MONTESSORI ACADEMY Granbury 5.5 mi
NORTH CENTRAL TEXAS ACADEMY Granbury 5.9 mi 8.8
JOHN AND LYNN BRAWNER EL Granbury 5.8 mi 7.9
EMMA ROBERSON EARLY LEARNING ACADEMY Granbury 6.0 mi 6.7
STARS ACCELERATED H S Granbury 6.4 mi 6.6
LAKE GRANBURY ACADEMY Minden 7.0 mi 6.1
GRANBURY H S Granbury 7.0 mi 7.9
GRANBURY MIDDLE Granbury 7.4 mi 7.4
NETTIE BACCUS EL Granbury 7.7 mi 8.4
BRAZOS RIVER CHARTER SCHOOL Nemo 9.1 mi 6.9
GLEN ROSE J H SCHOOL Glen Rose 9.8 mi 7.6
GLEN ROSE EL Glen Rose 10.6 mi 7.5
GLEN ROSE H S Glen Rose 10.6 mi 7.4
GLEN ROSE INT Glen Rose 10.7 mi 8.3
GODLEY H S Godley 11.2 mi 7.1
GODLEY MIDDLE Godley 11.2 mi 7.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 76048 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$66,856

Median Home Value

$230,000

Median Rent

$1,288/mo

Population

26,301

College Educated

26.4%

Homeownership

74%

Avg Commute

30.7 min

Poverty Rate

12.4%

Median Age

46.7

Community Profile

The community surrounding Mambrino School has a median household income of $66,856. It is an area where 26% of adults hold a bachelor's degree or higher. The median home value in the area is $230,000, with a median rent of $1,288/month. The area has a poverty rate of 12.4%. The average commute for residents is 31 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
ANDERSON EL Plano, TX 7.2
BLUEBONNET EL Lockhart, TX 7.2
CALLISBURG EL Gainesville, TX 7.2
COAHOMA EL Coahoma, TX 7.2
COLIN POWELL EL Grand Prairie, TX 7.2
CORA SPENCER EL Grand Prairie, TX 7.2

Frequently Asked Questions

Common questions about Mambrino School

What grades does Mambrino School serve?

Mambrino School serves students in grades Pre-K through 5th.

How many students attend Mambrino School?

Mambrino School has an enrollment of approximately 830 students.

What is the student-teacher ratio at Mambrino School?

The student-teacher ratio at Mambrino School is 15.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mambrino School rank in TX?

Mambrino School is ranked #2504 out of 8,547 schools in TX.

What is Mambrino School's MySchoolScout rating?

Mambrino School has a composite rating of 7.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Mambrino School?

Based on the most recent state assessment data, Mambrino School has 56.0% math proficiency and 51.0% reading/ELA proficiency.

Is Mambrino School a charter school?

No, Mambrino School is not a charter school. It is a traditional public school operated by the local school district.

Is Mambrino School a Title I school?

No, Mambrino School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mambrino School?

50.5% of students at Mambrino School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
11 Car-Dependent
Bike Score
26 Somewhat Bikeable
City Safety
High (3,735/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Granbury). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 5th
Enrollment
830
Student-Teacher Ratio
15.4:1
Teachers (FTE)
54
Free/Reduced Lunch
50.5%
Type
regular
Setting
Fringe Rural
County
Hood County
Data Year
2023–2024

District

GRANBURY ISD
District Enrollment
7,933
Schools in District
10
Per-Pupil Spending
$10,649
District Rank
#8 of 10

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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