Calvin Nelms High School

20625 Clay Rd
Katy, TX 77449
10/
10
Top 10%
Serving 168 students in grades 9-12, Calvin Nelms High School ranks in the top 10% of all schools in Texas for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 60-69% (which is higher than the Texas state average of 41%). The percentage of students achieving proficiency in reading/language arts is 70-79% (which is higher than the Texas state average of 51%).
The student:teacher ratio of 17:1 is higher than the Texas state level of 14:1.
Minority enrollment is 82% of the student body (majority Hispanic), which is higher than the Texas state average of 75% (majority Hispanic).

Quick Stats (2025)

  • School Type: Charter School
  • Grades: 9-12
  • Enrollment: 168 students
  • Student:Teacher Ratio: 17:1
  • Minority Enrollment: 82%
  • : ≥90% (Top 50% in TX)
  • : Top 10%
  • : 60-69% (Top 10%)
  • : 70-79% (Top 10%)
  • : 80-89% (Top 5%)
  • Source: National Center for Education Statistics (NCES), TX Dept. of Education

Top Rankings

Calvin Nelms High School ranks among the top 20% of public schools in Texas for:

School Overview

Calvin Nelms High School's student population of 168 students has declined by 5% over five school years.
The teacher population of 10 teachers has declined by 9% over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
168 students
Gender %
Total Classroom Teachers
10 teachers

School Rankings

Calvin Nelms High School ranks within the top 10% of all 8,188 schools in Texas (based off of combined math and reading proficiency testing data).
The diversity score of Calvin Nelms High School is 0.58, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
This School
State Level (TX)
#686 out of 8188 schools
(Top 10%)
60-69%
41%
70-79%
51%
80-89%
46%
Student : Teacher Ratio
17:1
14:1
American Indian
n/a
n/a
Asian
5%
6%
Hispanic
61%
53%
Black
12%
13%
White
18%
25%
Hawaiian
n/a
n/a
Two or more races
4%
3%
All Ethnic Groups
0.58
≥90%
90%
Eligible for Free Lunch
28%
57%
Eligible for Reduced Lunch
11%
5%
Source: National Center for Education Statistics (NCES), TX Dept. of Education
Profile last updated: 02/09/2025

Frequently Asked Questions

What is Calvin Nelms High School's ranking?
Calvin Nelms High School is ranked #686 out of 8,188 schools, which ranks it among the top 10% of public schools in Texas.
What percent of students have achieved state testing proficiency in math and reading?
60-69% of students have achieved math proficiency (compared to the 41% TX state average), while 70-79% of students have achieved reading proficiency (compared to the 51% TX state average).
What is the graduation rate of Calvin Nelms High School?
The graduation rate of Calvin Nelms High School is 90%, which is equal to the Texas state average of 90%.
How many students attend Calvin Nelms High School?
168 students attend Calvin Nelms High School.
What is the racial composition of the student body?
61% of Calvin Nelms High School students are Hispanic, 18% of students are White, 12% of students are Black, 5% of students are Asian, and 4% of students are Two or more races.
What is the student:teacher ratio of Calvin Nelms High School?
Calvin Nelms High School has a student ration of 17:1, which is higher than the Texas state average of 14:1.
What grades does Calvin Nelms High School offer ?
Calvin Nelms High School offers enrollment in grades 9-12
What school district is Calvin Nelms High School part of?
Calvin Nelms High School is part of Calvin Nelms Charter Schools School District.

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Quick Stats (2025)

  • School Type: Charter School
  • Grades: 9-12
  • Enrollment: 168 students
  • Student:Teacher Ratio: 17:1
  • Minority Enrollment: 82%
  • : ≥90% (Top 50%)
  • : Top 10%
  • : 60-69% (Top 10%)
  • : 70-79% (Top 10%)
  • : 80-89% (Top 5%)
  • Source: National Center for Education Statistics (NCES), TX Dept. of Education

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