Calvin Nelms H S
🇺🇸 Official data · 2025Katy, Texas 77449 · Calvin Nelms Charter Schools
#213 of 1,419 high schools in Texas
#3177 of 16,910 nationally
About Calvin Nelms H S
Calvin Nelms H S is a charter high located in Katy, in the Calvin Nelms Charter Schools school district of Texas, United States. It caters for Grades 9–12. In 2025 it enrolled 183 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 70.5 out of 100, placing it in the top 25% of high schools in United States and 213th of 1,419 ranked high schools in Texas. Its strongest component is math proficiency (80th percentile), and its weakest is students per teacher (35th percentile).
Other published figures: enrollment 183.
There are 88 schools in Katy; Calvin Nelms H S ranks 37th of 87 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)64.5%
- Reading proficiency (30%)74.5%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)18.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Calvin Nelms H S by the official sources.
- Enrollment
- 183
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 18.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 74.5%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 64.5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Calvin Nelms H S
Closest schools by straight-line distance, with their Success Index (US).
Calvin Nelms Middle
Katy · Charter middle · Grades 6–8
160 students · 0 m away
Brosnahan El
Katy · Public elementary · Grades PK–5
1,035 students · 947 m away
Robinson El
Katy · Public elementary · Grades PK–5
908 students · 1.0 km away
T H McDonald J H
Katy · Public middle · Grades 6–8
966 students · 1.1 km away
Loraine T Golbow El
Katy · Public elementary · Grades PK–5
640 students · 1.2 km away
McRoberts El
Katy · Public elementary · Grades PK–5
864 students · 1.4 km away
Jack & Sharon Rhoads El
Katy · Public elementary · Grades PK–5
703 students · 1.8 km away
Morton Ranch J H
Katy · Public middle · Grades 6–8
1,205 students · 2.4 km away
Franz El
Katy · Public elementary · Grades PK–5
1,115 students · 2.5 km away
Morton Ranch El
Katy · Public elementary · Grades PK–5
969 students · 2.6 km away
Similar schools
Charter high schools in Texas with a comparable Enrollment.
Iltexas Lancaster Desoto H S
Desoto · Charter high · Grades 9–12
191 students
Mount Carmel Academy
Houston · Charter high · Grades 9–12
194 students
Hamlin Collegiate H S
Hamlin · Charter high · Grades 7–12
171 students
Gateway Charter Academy - Middle - H S
Dallas · Charter high · Grades 6–12
196 students
The East Austin College Prep at Mlk
Austin · Charter high · Grades 7–12
169 students
Legacy Traditional- Basse Secondary
San Antonio · Charter high · Grades 6–12
164 students
Frequently asked questions
Is Calvin Nelms H S a good school?
Calvin Nelms H S has a Success Index (US) of 70.5 out of 100 (Top 25% of high schools in United States) and ranks #213 of 1,419 in Texas. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Calvin Nelms H S rank in Texas?
Calvin Nelms H S ranks #213 of 1,419 high schools in Texas and #3177 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Calvin Nelms H S?
Calvin Nelms H S had 183 students in 2025.
Is Calvin Nelms H S a elementary school or a high school?
Calvin Nelms H S is classified as a high covering Grades 9–12. It is a charter school.
What other schools are near Calvin Nelms H S?
There are 10 schools within 15 km of Calvin Nelms H S; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.