Company lists · Data refreshed September 2026
Top 25 College prep charter schools based in Houston, United States
RevenueBase identified 59 college prep charter schools headquartered in Houston, United States as of September 2026 and tracks 6,722 professional contacts across them, including 3,521 with verified work emails. New York is the largest hub.
This list covers college prep charter schools headquartered in Houston, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest college prep charter schools based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,933 contacts → | ||||
Strong evidence “Harmony Public Schools is a network of PreK-12 college preparatory public charter schools across Texas.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,519 contacts → | ||||
Strong evidence “KIPP Texas Public Schools is an open-enrollment, free public charter school network of 54 schools with more than Pre-K – 12 students across the state and an impact of 30 years in…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 174 contacts → | ||||
Strong evidence “A growing number of Houstonians are recognizing the strengths of attending a charter school, where the benefits are unmistakably clear.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 160 contacts → | ||||
Partial evidence “Houston Christian High School inspires students to become leaders in a close-knit community.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 144 contacts → | ||||
Strong evidence “Southwest Public Schools is a state charter, governed by the Texas Education Agency, open in with the goal of providing an academic program that celebrates diversity of student…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 87 contacts → | ||||
Partial evidence “Located in Houston's Third Ward, Yellowstone Schools is committed to partnering with students and families, regardless of financial means, to provide an excellent education…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 66 contacts → | ||||
Strong evidence “Mission: Étoile Academy Charter School ensures that every student in grades K through 8 has the academic and character foundation necessary to succeed in high school, graduate…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 60 contacts → | ||||
Strong evidence “Through rigor, joy, and character development, Bloom Academy Charter School prepares all kindergarten through 5th grade scholars for success in middle school, high school, and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 56 contacts → | ||||
Partial evidence “Northland Christian School is committed to preparing all students for the world of tomorrow and to offering each student directed academic planning, giving them the best…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 51 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 45 contacts → | ||||
Strong evidence “Our mission at Amigos Por Vida Public Charter School is to empower our students to become lifelong learners and achieve academic and personal success, by providing excellent…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 36 contacts → | ||||
Strong evidence “Houston Classical Charter School (“Houston Classical”) was chartered by the Texas Education Agency (TEA) to open in Houston in August 2020 beginning with kindergarten and first…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 26 contacts → | ||||
Strong evidence “Beatrice Mayes Institute Charter School is a primary and secondary education institute based in Houston, TX” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 23 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 23 contacts → | ||||
Strong evidence “Memorial High School (MHS) is a comprehensive public high school (grades 9 -12) offering a rigorous college preparatory program that supports excellence in academics and pride in…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 16 contacts → | ||||
Strong evidence “Rêve Preparatory Charter School is a Pre-Kindergarten through 8th grade tuition-free, public charter school opening in August 2019 in the Central Southwest area of Houston.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 14 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Strong evidence “The Academy of Accelerated Learning (AAL) is a tuition-free public charter school in Houston, Texas, offering high-quality accelerated learning at three campuses: Ashcroft (PK-5th…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 12 contacts → | ||||
Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Partial evidence “Carnegie Vanguard High School is a company based out of 1501 TAFT, HOUSTON, Texas, United States.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Indirect evidence “HLA, where academic excellence meets character development and community involvement.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: college prep charter schools. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names college prep charter schools.
- Partial evidence
- Its own public description names part of college prep charter schools, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name college prep charter schools. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 59 college prep charter schools based in Houston, United States
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College prep charter schools based in Houston, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 59 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among college prep charter schools, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Houston, United States whose own description of what they do matches “college prep charter schools”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names college prep charter schools), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among college prep charter schools, and records with no verified work email. Companies headquartered outside Houston are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 3,521 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
College prep charter schools by metro in the United States
- College prep charter schools in New York92
- College prep charter schools in Los Angeles71
- College prep charter schools in Chicago61
- College prep charter schools in Houston59
- College prep charter schools in Bronx49
- College prep charter schools in Phoenix44
- College prep charter schools in Philadelphia43
- College prep charter schools in Washington34
- College prep charter schools in Memphis33
- College prep charter schools in Miami28
- College prep charter schools in Oakland25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names college prep charter schools, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many college prep charter schools are there based in Houston, United States?
RevenueBase identified 59 college prep charter schools headquartered in Houston, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Harmony Public Schools, headquartered in Houston, tops this list with the largest team on record.
Which city has the most college prep charter schools?
New York leads with 92 headquartered companies, followed by Los Angeles (71) and Chicago (61).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,521 verified decision-maker contacts tracked across these 59 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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