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SCHOOL COMMUNITY·KLEIN ISD·NCES 482574013385

Mahaffey Elementary School

10255 MAHAFFEY RD, KLEIN, TX 77375 · (832) 375-8300 · Harris County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL860 STUDENTS
Enrollment
860
Elementary
DISTRICT 684 · STATE 519
Student : Teacher
14.9:1
58 FTE teachers
DISTRICT 14.1:1 · STATE 15.1:1
Free / Reduced Lunch
48%
413 students
DISTRICT 58% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K789%
Kindergarten12114%
Grade 111613%
Grade 213015%
Grade 312715%
Grade 414617%
Grade 514217%

This year's kindergarten class (121) is 15% smaller than its 5th grade class (142).

Student demographics
66%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 63% · US 70%
White
24128%
DISTRICT 24% · STATE 24% · US 43%
Hispanic
42249%
DISTRICT 47% · STATE 54% · US 30%
Black
9211%
DISTRICT 18% · STATE 13% · US 15%
Asian
627%
DISTRICT 7% · STATE 6% · US 6%
Two+
435%
DISTRICT 4% · STATE 3% · US 5%
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
42750%
Female
43350%

Discussions

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Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
70.0%
TX avg 54.5% . +41.0pp since 2020
Mathematics
67.0%
TX avg 45.3% . +24.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 70 of every 100 students at this school read at grade level and about 67 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 41 points since 2020, while math scores are up about 24 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading38.0%32.0%17.0%13.0%
Mathematics37.0%30.0%19.0%14.0%
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
2025-2670.0%67.0%
2024-2569.0%73.0%
2023-2465.0%68.0%
2022-2346.0%51.0%
2021-2247.0%47.0%
2020-2129.0%43.0%
% 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
63.9%
composite math + reading, all grades
Predicted
53.2%
based on TX schools with similar FRL share
Beats by
+10.7pp
above demographic expectation

What this means: About 64% of students here test proficient in math and reading, compared with the roughly 53% 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 Mahaffey Elementary School

Mahaffey Elementary School's state test result (63.9% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Mahaffey Elementary School this school86048.0%63.9%
Lamar Elementary School
THE WOODLANDS
75948.2%58.2%
Cottonwood Creek Elementary School
HUTTO
92547.0%37.0%
Metzler Elementary School
KLEIN
84647.0%55.5%
Oak Point Elementary School
OAK POINT
99847.3%45.4%
Bens Branch Elementary School
PORTER
81251.6%44.0%
Matched among Texas elementary 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 Mahaffey Elementary School ranks

Among elementary schools
MeasureThis schoolIn TexasIn Harris County
State test proficiency
ranked highest first
63.9%#568 of 4,401#59 of 624
Math proficiency
ranked highest first
67.0%#546 of 4,466
▼ 237
#60 of 625
▼ 29
Reading proficiency
ranked highest first
70.0%#728 of 4,466
▲ 70
#79 of 625
▼ 1
3-year test score change
ranked biggest gain first
+20.0pp#498 of 3,998#62 of 603
Enrollment
ranked largest first
860#275 of 4,938#94 of 682
Students per teacher
ranked fewest first
14.9:1#2,367 of 4,622#316 of 657
Diversity index
ranked most diverse first
66.2%#876 of 4,628#110 of 657
Free and reduced lunch
ranked highest share first
48.0%#3,659 of 4,789#572 of 671
Enrollment change since 2017-18
ranked fastest growth first
+15.0%#557 of 1,307#58 of 148
Ranked against other public elementary 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
860
+10 (+1%) vs 2020
Student : Teacher
14.9:1
was 13.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2586057.714.9:148% (413)
2023-248766214.1:148% (417)
2022-238926114.6:150% (444)
2020-218506213.7:142% (357)
2017-1874853.913.9:138% (283)
Source: NCES Common Core of Data. Rows are the federal collections on file for Mahaffey Elementary School.

Since 2017-18: students up 15% (748 to 860); teachers up 7% (53.9 to 57.7).

About Mahaffey Elementary School

Mahaffey Elementary School is a high-enrollment elementary school with its address in KLEIN, Texas. The school enrolls 860 students in pre-K through 5. That compares with an average of about 519 students for elementary schools in Texas.

Enrollment across the 50 schools in KLEIN ISD totals 52,437 students.

The student body at Mahaffey Elementary School has no majority group. Hispanic students lead at 49%. Other groups include 28% White, 11% Black, 7% Asian, and 5% multiracial. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 66%.

The student-to-teacher ratio is 14.9:1. The school has 57.7 full-time-equivalent teachers. It is about the same as the 15.1:1 average for elementary schools in Texas. Federal data show 48% of students (413) are eligible for free or reduced-price lunch. That rate is below the 70% average among public schools in Harris County.

In Texas, Mahaffey Elementary School is in the middle band of BeatsExpectations: 63.9% actual against a predicted 53.2%.

In the surrounding county, Harris County, the median household earns about $74,983 a year, 34% of adults hold a bachelor's degree or higher, and about 13% of people live in poverty. Harris County has 1,205 public schools with about 886,911 students, including Mahaffey Elementary School.

The closest school to Mahaffey Elementary School is Bernshausen Elementary School, located about 0.9 miles away. Mahaffey Elementary School is one of several public schools in the area, with at least 8 others within five miles. Ranking the closest schools with test data puts Mahaffey Elementary School at 3rd of 8.

Mahaffey Elementary School is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more, a location NCES labels Suburb: Large.

In 2020-21, Mahaffey Elementary School enrolled 850; in 2024-25, 860. There were more students per teacher in 2024-25 (14.9:1) than in 2020-21 (13.7:1).

Use the discussion section to ask about special education services, counseling, and support programs at Mahaffey Elementary School. You can also rate the school on this page.

Harris County at a glance

View full county profile
Population
4,838,303
Census ACS
Median income
$74,983
Household, ACS
Bachelor's+
34%
Adults 25+
Poverty rate
13%
Below federal line
Schools in county
1,205
886,911 students

Quick facts

School name
Mahaffey Elementary School
District
KLEIN ISD
Address
10255 MAHAFFEY RD, KLEIN, TX 77375
Phone
(832) 375-8300
County
Harris County
Level
Elementary
Grade range
PK–05
Total enrollment
860
Teachers (FTE)
58
Student–teacher ratio
14.9:1
Free and reduced lunch
413 (48%)
Locale
21-Suburb: Large
NCES ID
482574013385
Charter school
No
Virtual school
No

Related schools

Other schools in KLEIN ISD
Other schools in KLEIN
Nearby schools

Frequently asked questions

About Mahaffey Elementary School
What is the total enrollment at Mahaffey Elementary School?
Mahaffey Elementary School enrolls approximately 860 students in grades PK-05.
Is Mahaffey Elementary School an elementary, middle, or high school?
Mahaffey Elementary School is an elementary school covering grades PK-05.
What is the student-teacher ratio at Mahaffey Elementary School?
The student-to-teacher ratio at Mahaffey Elementary School is approximately 14.9:1 (58 FTE teachers).
What is the racial breakdown of students at Mahaffey Elementary School?
At Mahaffey Elementary School, the student body is approximately 28% White, 49% Hispanic, 11% Black, 7% Asian, 5% Two or more.
What district is Mahaffey Elementary School in?
Mahaffey Elementary School is part of KLEIN ISD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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