
Galveston County officials monitor Bertha as tropical storm watch takes effect
The National Weather Service on Wednesday issued a tropical storm watch for Chambers County as well as coastal portions of Brazoria and Galv…
20625 Clay Rd, Katy, TX 77449 · (281)398-8031
Calvin Nelms H S is a high school located in Katy, TX, serving grades 9–12 and approximately 169 students. Operated by Calvin Nelms Charter Schools, the campus sits about 22.4 miles from The Houston's newsroom and is part of The Houston's ongoing local education coverage.
The school employs roughly 10 full-time-equivalent classroom teachers for a student-to-teacher ratio of about 16.9:1. That ratio is roughly in line with the state average for TX public schools.
Calvin Nelms H S operates as a publicly funded charter school. These designations affect funding, enrollment policy, and the kinds of state and federal accountability measures the campus is subject to.
State accountability ratings for TEA are released annually and combine student achievement, growth, and closing-the-gaps metrics. The Houston publishes rating updates as soon as they become public each fall, with comparisons to nearby campuses and prior-year trends.
High school news from Calvin Nelms H S — including graduation rates, college signing days, sports results, and state academic competitions — appears regularly in The Houston's Katy coverage.
Tip about Calvin Nelms H S? Email editor@nexcom.media with the subject line "Calvin Nelms H S". For more education coverage, see thehouston.org/schools or browse The Houston's latest reporting at thehouston.org/news. This profile uses public data from the National Center for Education Statistics (NCES) and is updated annually as new federal filings are released.
The Houston covers Katy schools — board meetings, bond elections, ratings releases, academic and athletic news. Subscribe to the latest reporting at thehouston.org/news or /newsletter.
Data source: U.S. National Center for Education Statistics (NCES) Common Core of Data — canonical NCES page ↗. Per-school profile generated by The Houston from the most recent federal directory release. Updated 2026-07-22.
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