Item: Calvin Nelms Charter Schools
Rating: 10
Author: 51����

Home > Texas > Harris County

Calvin Nelms Charter Schools

20625 Clay Rd
Katy, TX 77449

10/

Top 5%

Tel: (281) 398-8031

Top Rankings

Calvin Nelms Charter Schools ranks among the top 20% of public school district in Texas for:

Overview

This School District

This State (TX)

# Schools

2 Schools

9,313 Schools

# Students

324 Students

5,529,835 Students

# Teachers

18 Teachers

374,835 Teachers

Student-Teacher Ratio

18:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Calvin Nelms Charter Schools	Texas
6	56	332
7	39	335
8	61	341
9	45	389
10	48	362
11	37	335
12	38	303

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District Rank

Calvin Nelms Charter Schools, which is ranked #35 of all 1,196 school districts in Texas (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.

The school district's graduation rate of 90% has stayed relatively flat over five school years.

This School District

State Average (TX)

#39 out of 1202 school districts
(Top 5%)

View Data

Overall School District Rank Trends
Year	Calvin Nelms Charter Schools
2023	#39
2022	#133
2021	#146
2019	#30
2018	#118
2017	#114
2016	#189
2015	#267
2014	#661
2013	#232
2012	#565

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73%

44%

View Data

Math Proficiency Trends
Year	Calvin Nelms Charter Schools	Texas
2023	73%	44%
2022	52%	41%
2021	47%	37%
2019	72%	51%
2018	62%	49%
2017	87%	78%
2016	82%	75%
2015	77%	73%
2014	72%	76%
2013	87%	78%
2012	77%	83%

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70-74%

51%

View Data

Reading and Language Arts Proficiency Trends
Year	Calvin Nelms Charter Schools	Texas
2022	72%	51%
2021	72%	42%
2019	72%	47%
2018	62%	45%
2017	87%	72%
2016	85%	71%
2015	83%	73%
2014	78%	75%
2013	84%	78%
2012	92%	88%
2011	92%	88%

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75-79%

46%

View Data

Science Proficiency Trends
Year	Calvin Nelms Charter Schools	Texas
2022	77%	46%
2021	77%	43%

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(21-22)

≥90%

90%

View Data

Graduation Rate Trends
Year	Calvin Nelms Charter Schools	Texas
2022	90%	90%
2021	90%	89%
2019	90%	89%
2018	80%	89%
2017	90%	89%
2016	90%	89%
2015	84%	89%
2014	64%	88%
2013	67%	88%
2012	62%	88%
2011	42%	86%

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Students by Ethnicity:

0.58

0.64

View Data

Comparison of Diversity Score Trends
Year	Calvin Nelms Charter Schools	Texas
2023	0.60	0.64
2022	0.58	0.64
2021	0.55	0.64
2020	0.60	0.63
2019	0.60	0.63
2018	0.58	0.64
2017	0.58	0.64
2016	0.60	0.63
2015	0.60	0.63
2014	0.60	0.63
2013	0.59	0.64
2012	0.58	0.64
2011	0.60	0.64
2010	0.59	0.64
2009	0.61	0.64
2008	0.60	0.64
2007	0.58	0.64
2006	0.57	0.64
2005	0.47	0.64
2004	0.51	0.64
2003	0.50	0.64

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% American Indian

n/a

% Asian

View Data

Asian Student Percentage Comparison Over Years (2002-2023)
Year	Calvin Nelms Charter Schools	Texas
2023	4%	5%
2022	5%	5%
2021	4%	5%
2020	4%	5%
2019	4%	5%
2018	4%	5%
2017	4%	5%
2016	2%	4%
2015	1%	4%
2014	2%	4%
2012	1%	4%
2011	1%	4%
2010	2%	4%
2008	1%	4%
2007	2%	4%
2005	2%	3%
2004	3%	3%
2003	2%	3%
2002	2%	3%

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% Hispanic

61%

53%

View Data

Hispanic Student Percentage Comparison Over Years (2003-2023)
Year	Calvin Nelms Charter Schools	Texas
2023	59%	53%
2022	61%	53%
2021	64%	53%
2020	58%	53%
2019	58%	53%
2018	59%	52%
2017	59%	52%
2016	54%	52%
2015	54%	52%
2014	54%	52%
2013	54%	51%
2012	42%	51%
2011	34%	50%
2010	34%	49%
2009	31%	48%
2008	34%	47%
2007	25%	46%
2006	26%	46%
2005	19%	45%
2004	29%	44%
2003	27%	43%

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% Black

17%

13%

View Data

Black Student Percentage Comparison Over Years (2003-2023)
Year	Calvin Nelms Charter Schools	Texas
2023	18%	13%
2022	17%	13%
2021	16%	13%
2020	16%	13%
2019	16%	13%
2018	10%	13%
2017	10%	13%
2016	10%	13%
2015	12%	13%
2014	9%	13%
2013	9%	13%
2012	7%	13%
2011	10%	13%
2010	9%	14%
2009	15%	14%
2008	12%	14%
2007	15%	14%
2006	17%	15%
2005	9%	14%
2004	4%	14%
2003	5%	14%

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% White

14%

25%

View Data

White Student Percentage Comparison Over Years (2003-2023)
Year	Calvin Nelms Charter Schools	Texas
2023	15%	26%
2022	16%	26%
2021	14%	26%
2020	21%	27%
2019	21%	27%
2018	25%	28%
2017	25%	28%
2016	33%	29%
2015	32%	29%
2014	33%	29%
2013	34%	30%
2012	49%	31%
2011	53%	31%
2010	54%	33%
2009	54%	34%
2008	52%	35%
2007	58%	36%
2006	70%	36%
2005	70%	38%
2004	64%	39%
2003	66%	40%

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% Hawaiian

n/a

% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Calvin Nelms Charter Schools	Texas
2023	4%	3%
2022	1%	3%
2021	2%	3%
2020	1%	2%
2019	1%	2%
2018	2%	2%
2017	2%	2%
2016	1%	2%
2015	1%	2%
2014	1%	2%
2013	2%	2%

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All Ethnic Groups

District Revenue and Spending

The revenue/student of $11,395 in this school district is less than the state median of $13,387. The school district revenue/student has declined by 7% over four school years.

The school district's spending/student of $7,756 is less than the state median of $14,117. The school district spending/student has declined by 7% over four school years.

This School District

This State (TX)

Total Revenue

$4 MM

$74,029 MM

View Data

Total Revenues Trends
Year	Calvin Nelms Charter Schools	Texas
2023	$4 MM	$14 MM
2022	$4 MM	$14 MM
2021	$4 MM	$14 MM
2020	$4 MM	$14 MM
2019	$3 MM	$13 MM
2018	$3 MM	$11 MM
2017	$3 MM	$11 MM
2016	$3 MM	$11 MM
2015	$3 MM	$9 MM
2014	$3 MM	$10 MM
2012	$2 MM	$9 MM
2011	$2 MM	$10 MM
2010	$3 MM	$9 MM
2009	$2 MM	$9 MM
2008	$3 MM	$8 MM
2007	$2 MM	$8 MM
2006	$2 MM	$7 MM
2005	$1 MM	$7 MM
2004	$1 MM	$6 MM
2003	$1 MM	$6 MM
2002	$1 MM	$6 MM

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Spending

$3 MM

$78,063 MM

View Data

Total Expenditure Trends
Year	Calvin Nelms Charter Schools	Texas
2023	$3 MM	$13 MM
2022	$3 MM	$13 MM
2021	$3 MM	$13 MM
2020	$3 MM	$13 MM
2019	$2 MM	$12 MM
2018	$2 MM	$11 MM
2017	$2 MM	$11 MM
2016	$2 MM	$11 MM
2015	$2 MM	$9 MM
2014	$2 MM	$10 MM
2012	$2 MM	$9 MM
2011	$2 MM	$9 MM
2010	$2 MM	$9 MM
2009	$2 MM	$9 MM
2008	$2 MM	$8 MM
2007	$2 MM	$8 MM
2006	$1 MM	$7 MM
2005	$1 MM	$7 MM
2004	$1 MM	$6 MM
2003	$1 MM	$6 MM
2002	$1 MM	$6 MM

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Revenue / Student

$11,395

$13,387

View Data

Average Revenue Per Student Trends
Year	Calvin Nelms Charter Schools	Texas
2023	$11,796	$15,640
2022	$11,675	$15,527
2021	$12,307	$15,800
2020	$11,675	$15,527
2019	$10,102	$14,104
2018	$9,444	$12,819
2017	$9,154	$13,668
2016	$9,371	$13,530
2015	$8,535	$12,250
2014	$9,215	$11,938
2012	$8,640	$11,792
2011	$8,419	$12,560
2010	$8,707	$12,250
2009	$8,318	$11,947
2008	$8,143	$11,503
2007	$7,905	$11,028
2006	$9,122	$10,357
2005	$7,216	$9,808
2004	$6,559	$9,347
2003	$7,866	$9,172
2002	$7,193	$8,890

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Spending / Student

$7,756

$14,117

View Data

Average Expenditure Per Student Trends
Year	Calvin Nelms Charter Schools	Texas
2023	$8,029	$14,776
2022	$8,879	$14,277
2021	$8,377	$14,927
2020	$8,879	$14,277
2019	$7,711	$13,432
2018	$7,363	$12,640
2017	$7,483	$13,337
2016	$7,075	$12,941
2015	$6,059	$12,682
2014	$7,718	$11,519
2012	$8,320	$11,195
2011	$7,781	$12,153
2010	$6,182	$12,682
2009	$6,957	$12,666
2008	$6,579	$11,542
2007	$6,153	$10,438
2006	$7,492	$9,999
2005	$6,345	$9,530
2004	$6,703	$9,298
2003	$7,223	$9,172
2002	$5,893	$8,828

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Best Calvin Nelms Charter Schools 51��s (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Calvin Nelms High School

Charter School

(Math: 70-79% | Reading: 70-79%)
:

10/

Top 10%

Add to Compare

20625 Clay Rd
Katy, TX 77449
(281) 398-8031

Gr: 9-12 | 168 students Student-teacher ratio: 17:1 Minority enrollment: 82%

Rank: #22.

Calvin Nelms Middle School

Charter School

(Math: 70-74% | Reading: 70-74%)
:

10/

Top 10%

Add to Compare

20625 Clay Rd
Katy, TX 77449
(281) 398-8031

Gr: 6-8 | 156 students Student-teacher ratio: 20:1 Minority enrollment: 91%

Frequently Asked Questions

How many schools belong to Calvin Nelms Charter Schools?

Calvin Nelms Charter Schools manages 2 public schools serving 324 students.

What is the rank of Calvin Nelms Charter Schools?

Calvin Nelms Charter Schools is ranked #35 out of 1,196 school districts in Texas (top 5%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Texas school districts for: Highest overall rank (Top 5%), Highest math proficiency (Top 5%), Highest reading/language arts proficiency (Top 5%) and Highest science proficiency (Top 1%)

What is the racial composition of students in Calvin Nelms Charter Schools?

61% of Calvin Nelms Charter Schools students are Hispanic, 17% of students are Black, 14% of students are White, 5% of students are Asian, and 3% of students are Two or more races.

What is the student/teacher ratio of Calvin Nelms Charter Schools?

Calvin Nelms Charter Schools has a student/teacher ratio of 18:1, which is higher than the Texas state average of 15:1.

What is Calvin Nelms Charter Schools's spending/student ratio?

The school district's spending/student of $7,756 is less than the state median of $14,117. The school district spending/student has declined by 7% over four school years.

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Quick Facts (2025-26)

District size: 2 schools
Grades: 06-12
Enrollment: 324 students
Student-Teacher Ratio: 18:1
Minority Enrollment: 86%
: ≥90% (Btm 50% in TX)
: Top 5%
: 73% (Top 5%)
: 70-74% (Top 5%)
: 75-79% (Top 1%)
Source: National Center for Education Statistics (NCES), TX Dept. of Education