Calvin Nelms H S
Katy, TX · Calvin Nelms Charter Schools
Regular public school · Charter · Grades 9-12 · Suburb, large
71st of 1,669 Texas high schools statewide · better than 96%▲ Improving
20625 CLAY RD, Katy, TX 77449
(281)398-8031NCES ID 480012408248Directory 2023–24
SchoolRow ranks Calvin Nelms H S 71st of 1,669 Texas high schools for 2024–25, based on STAAR % at Meets Grade Level or above, 2024–25 (TAPR) English and Math results — better than 96% of high schools statewide. Its statewide percentile went from 85th in 2019 to 96th in 2025 — improving.
Percent meeting or exceeding the state standard, STAAR % at Meets Grade Level or above, 2024–25 (TAPR) · 92 students tested
Racial and ethnic breakdown of 168 students (2023–24, NCES) — history since 1999, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 38.5% | 61.3% | ▲ 22.8 pts | |
| White | 47.4% | 17.9% | ▼ 29.5 pts | |
| Black | 10.9% | 11.9% | ▲ 1.0 pts | |
| Asian | 1.3% | 5.4% | ▲ 4.1 pts | |
| Two or more races | 1.9% | 3.6% | ▲ 1.7 pts |
NCES history for this school begins in 1999. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $272K in zip 77449 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Calvin Nelms H S
- #795Morton Ranch H SKaty ISD · 1.9 mi away795th of 1,669
ELA 52% ▼31 · Math 37% ▼39Compare - #732Cypress Lakes H SCypress-Fairbanks ISD · 2.5 mi away732nd of 1,669
ELA 52% ▼31 · Math 41% ▼35Compare - #644Paetow H SKaty ISD · 2.8 mi away644th of 1,669
ELA 55% ▼28 · Math 44% ▼32Compare - #703Mayde Creek H SKaty ISD · 2.8 mi away703rd of 1,669
ELA 46% ▼37 · Math 49% ▼27Compare - #105Taylor H SKaty ISD · 3.6 mi away105th of 1,669
ELA 73% ▼10 · Math 77% ▲1Compare - #753Cypress Park H SCypress-Fairbanks ISD · 3.9 mi away753rd of 1,669
ELA 53% ▼30 · Math 39% ▼37Compare - #156Harmony School of Discovery - HoustonHarmony Public Schools - Houston North · 3.9 mi away · charter156th of 1,669
ELA 74% ▼9 · Math 68% ▼8Compare - #833Cypress Springs H SCypress-Fairbanks ISD · 4.5 mi away833rd of 1,669
ELA 51% ▼32 · Math 36% ▼40Compare
What school district is Calvin Nelms H S in?
Calvin Nelms H S is part of the Calvin Nelms Charter Schools district in Katy, Texas.
Is Calvin Nelms H S a good school?
SchoolRow ranks Calvin Nelms H S 71st of 1,669 Texas high schools (better than 96% statewide) based on 2024–25 test results (STAAR % at Meets Grade Level or above, 2024–25 (TAPR)).
What is the racial makeup of Calvin Nelms H S?
Hispanic 61%, White 18%, Black 12%, Asian 5% (168 students, 2023–24).
How much do homes near Calvin Nelms H S cost?
The typical home value in zip code 77449 is $272K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (STAAR % at Meets Grade Level or above, 2024–25 (TAPR), low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.