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
Enrollment
818
Student-Teacher
11.5:1
Score
7.7
Grades
6th – 8th
Updated
2022-23
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 metricsView breakdown
View breakdown
View breakdown
Cardiff J H — Students at Cardiff J H score 37% proficient, which is above what's typical for similar communities (expected: 27%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
85.6%
Students qualifying for federal meal assistance
Test Scores TX EDFACTS (2020-21)
Based on 4 test records from TX state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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.
Funding & Resources
Performance Trends
Math proficiency has declined from 45% (2019) to 34% (2021). Reading/ELA proficiency has declined from 44% (2019) to 40% (2021).
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.
Neighborhood Context
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
- Phone
- (281) 234-0600
- Data Year
- 2023–2024
Resources & Links
District
KATY ISD- District Enrollment
- 94,785
- Schools in District
- 78
- Per-Pupil Spending
- $11,284
- District Rank
- #40 of 71
Other Schools in This District
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 methodologyRelated reading
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