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Very Good

#1576 of 8,547 schools in TX

Top 18% in state

Cardiff J H

Middle School · KATY ISD

3900 DAYFLORWER DR, Katy, TX 77449

Enrollment

818

Student-Teacher

11.5:1

Score

7.7

Grades

6th – 8th

Updated 2022-23

How this school compares

In Katy

#40 of 86

public schools

Texas middle schools

#300 of 1,693

In district

#40 of 71

KATY ISD

School environment

8.4 / 10

Very strong

About Cardiff J H

Cardiff Junior High serves 818 students in grades 6-8 in Katy, Texas, offering a solid middle school experience in Harris County's vibrant suburban landscape. With 71 full-time teachers maintaining an excellent 11.5:1 student-teacher ratio, the school provides students with more individualized attention than many larger institutions. The school has earned recognition for its overall performance, receiving a 7.3 out of 10 rating from MySchoolScout and ranking impressively at #799 out of 8,598 Texas schools, placing it in the 91st percentile statewide.

This strong showing reflects the school's commitment to supporting students during these crucial middle school years when academic and social development accelerate rapidly. Cardiff Junior High draws families from a well-established community where the median household income reaches $82,300 and 30% of residents hold bachelor's degrees or higher. The surrounding neighborhood maintains a stable character with median home values around $213,500 and a relatively low poverty rate of 10.7%.

This economic stability often translates into strong family support for educational initiatives. Located on Dayflower Drive in Katy's large suburban setting, Cardiff Junior High benefits from being part of a community that values education while offering students the advantages of suburban amenities and resources.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress7.2Very Good40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-3.75 pts/yr
Data Period2019–2021
TrendDeclining
Academics7.7Very Good35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency34%
Reading/ELA Proficiency40%
Overall Proficiency37%
Expected (poverty-adj.)27%
vs. Expected+9.6 pts
Adjusted Percentile66th
Resources & Environment8.4Excellent25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio11.5:1
Per-Pupil Spending$11,068

Cardiff J H — Students at Cardiff J H score 37% proficient, which is above what's typical for similar communities (expected: 27%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

85.6%

Students qualifying for federal meal assistance

Test Scores TX EDFACTS (2020-21)

Math Proficiency 39.5%
School
State
N/A
ELA Proficiency 42.0%
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
45%
ELA
44%
2021*
Math
34%
ELA
40%

* 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: 7.2/10.

How Cardiff J H Compares

See how Cardiff J H performs across key quality dimensions compared to state benchmarks.

Overall Score
7.7/10
82th percentile in TX
Academic
7.7/10
7.7/10
Growth
7.2/10
Above average
Environment
8.4/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
86%
Teaching Staff
12:1 student-teacher ratio
71 teachers

Location

3900 DAYFLORWER DR, Katy, TX 77449

Nearby Alternatives

Families considering Cardiff J H may also want to explore other middle schools in the area. T H MCDONALD J H (rated 7.5/10, 2.3 miles away), with a very similar rating. Another option is MAYDE CREEK J H (rated 7.3/10, 1.5 miles away, in nearby Houston), with a comparable rating. Additionally, THORNTON MIDDLE (rated 6.8/10, 1.5 miles away), with a comparable rating. For more schools in Katy, see our Katy schools guide .

Nearby Schools

20 within 2.3 mi
School Distance Rating
JACK & SHARON RHOADS EL Katy 0.6 mi 7.4
MCROBERTS EL Katy 1.0 mi 6.0
JEAN & BETTY SCHMALZ EL Houston 1.2 mi 6.1
SHERIDAN EL Katy 1.4 mi 6.7
MAYDE CREEK J H Houston 1.5 mi 7.3
THORNTON MIDDLE Katy 1.5 mi 6.8
MAYDE CREEK EL Houston 1.6 mi 7.0
MAYDE CREEK H S Houston 1.7 mi 7.3
ROBINSON EL Katy 1.6 mi 6.1
EMERY EL Katy 1.8 mi 4.8
CYPRESS LAKES H S Katy 1.8 mi 6.0
URSULA STEPHENS EL Katy 1.8 mi 7.6
CALVIN NELMS H S Katy 1.6 mi 6.5
CALVIN NELMS MIDDLE Katy 1.6 mi 4.7
MCFEE EL Katy 2.0 mi 5.0
SUNDOWN EL Katy 2.2 mi 6.2
WILSON EL Houston 2.3 mi 7.2
T H MCDONALD J H Katy 2.3 mi 7.5
JOWELL EL Katy 2.7 mi 5.7
LORAINE T GOLBOW EL Katy 2.3 mi 6.4

Neighborhood Census ACS (2019-2023)

Census data for ZIP 77449 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$85,934

Median Home Value

$236,400

Median Rent

$1,755/mo

Population

123,042

College Educated

28.4%

Homeownership

70.5%

Avg Commute

35.6 min

Poverty Rate

11%

Median Age

34.3

Community Profile

The community surrounding Cardiff J H has a median household income of $85,934. It is an area where 28% of adults hold a bachelor's degree or higher. The median home value in the area is $236,400, with a median rent of $1,755/month. The area has a poverty rate of 11.0%. The average commute in the area is 36 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
ARGYLE MIDDLE Argyle, TX 7.7
BONNETTE J H Deer Park, TX 7.7
BROOKSIDE INT Friendswood, TX 7.7
COLLINS INT The Woodlands, TX 7.7
CROCKETT MIDDLE Pecos, TX 7.7
DON T DURHAM INT Southlake, TX 7.7

Frequently Asked Questions

Common questions about Cardiff J H

What grades does Cardiff J H serve?

Cardiff J H serves students in grades 6th through 8th.

How many students attend Cardiff J H?

Cardiff J H has an enrollment of approximately 818 students.

What is the student-teacher ratio at Cardiff J H?

The student-teacher ratio at Cardiff J H is 11.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Cardiff J H rank in TX?

Cardiff J H is ranked #1576 out of 8,547 schools in TX.

What is Cardiff J H's MySchoolScout rating?

Cardiff J H has a composite rating of 7.7 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 Cardiff J H?

Based on the most recent state assessment data, Cardiff J H has 39.5% math proficiency and 42.0% reading/ELA proficiency.

Is Cardiff J H a charter school?

No, Cardiff J H is not a charter school. It is a traditional public school operated by the local school district.

Is Cardiff J H a Title I school?

No, Cardiff J H is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Cardiff J H?

85.6% of students at Cardiff J H 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
26 Car-Dependent
Bike Score
35 Somewhat Bikeable
City Safety
High (3,484/100K)

Powered by Walk Score

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

Quick Facts NCES CCD (SY 2022-23)

Grades
6th – 8th
Enrollment
818
Student-Teacher Ratio
11.5:1
Teachers (FTE)
71
Free/Reduced Lunch
85.6%
Type
regular
Setting
Large Suburb
County
Harris County
Data Year
2023–2024

District

KATY ISD
District Enrollment
94,785
Schools in District
78
Per-Pupil Spending
$11,284
District Rank
#40 of 71

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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