Company lists · Data refreshed September 2026
Top 25 School districts based in the United States
RevenueBase identified 9,083 school districts headquartered in the United States as of September 2026 and tracks 1,556,391 professional contacts across them, including 600,820 with verified work emails. San Antonio is the largest hub.
This list covers school districts headquartered in the 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 22, 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 school districts based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 40,896 contacts → | ||||
Strong evidence “Second largest in the nation, the Los Angeles Unified School District enrolls more than students.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 31,204 contacts → | ||||
Partial evidence “Chicago Public Schools is looking for teachers, leaders, and non-instructional staff to transform the face of urban education.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 19,456 contacts → | ||||
Strong evidence “The Clark County School District is the 5th largest school district in the nation with over students in 357 schools and over employees.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 18,419 contacts → | ||||
Strong evidence “Miami-Dade County Public Schools (M-DCPS) is a public school district serving Miami-Dade County, Florida.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 16,454 contacts → | ||||
Strong evidence “Orange County Public Schools is recognized as one of the top urban school districts in the nation – the 8th largest school district in America (4th in Florida) with 210…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 16,409 contacts → | ||||
Strong evidence “The School District of Palm Beach County is the tenth-largest school district in the nation and the fifth-largest in the state of Florida with 180 schools, serving more than…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15,709 contacts → | ||||
Strong evidence “The Houston Independent School District is the largest public school system in Texas and the eighth largest in the United States.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 14,280 contacts → | ||||
Strong evidence “The Dallas Independent School District is “one of the nation’s fastest improving school districts,” according to the Council of the Great City Schools.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 14,097 contacts → | ||||
Strong evidence “For forward-thinking administrators and educators, opportunities abound in The School District of Philadelphia.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13,956 contacts → | ||||
Strong evidence “Montgomery County Public Schools (MCPS), located in Maryland outside of Washington, D.C, is the largest school district in the state.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13,631 contacts → | ||||
Strong evidence “Gwinnett County Public Schools (GCPS), located in the metro Atlanta area, is the largest school system in Georgia and the 11th largest school district in the country, offering…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 12,778 contacts → | ||||
Strong evidence “Wake County Public School System, the largest K-12 public school district in North Carolina, is an award-winning, nationally recognized organization that serves more than students…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12,191 contacts → | ||||
Strong evidence “Hillsborough County Public Schools is the seventh largest school district in the nation, with more than students.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12,029 contacts → | ||||
Strong evidence “Prince George's County Public Schools (PGCPS), one of the nation's 25 largest school districts, has 200 schools and centers, more than students and employees.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11,527 contacts → | ||||
Strong evidence “30th largest school district in the U.S.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10,196 contacts → | ||||
Partial evidence “Baltimore County Public Schools (BCPS) is the 22nd largest school system in the United States with more than students” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9,603 contacts → | ||||
Indirect evidence “Austin ISD is a diverse community of more than employees, and we recognize that nothing is more essential to a great education system than innovative, talented, passionate…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9,171 contacts → | ||||
Strong evidence “The COBB COUNTY SCHOOL DISTRICT is a public school system with administrative offices based at 514 Glover St, Marietta, GA 30060.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8,367 contacts → | ||||
Partial evidence “As the birthplace of public education in this nation, the Boston Public Schools is committed to transforming the lives of all children through exemplary teaching in a world-class…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8,061 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7,173 contacts → | ||||
Strong evidence “Founded in 1871, the Fulton County School System is one of the oldest and largest school districts in Georgia.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6,944 contacts → | ||||
Strong evidence “Northside ISD is located in northwest San Antonio and is the fourth largest school district in the state of Texas with an enrollment of 94,702 and staff of 12,900.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6,884 contacts → | ||||
Strong evidence “GCS is the third largest school district in North Carolina, serving nearly students.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6,874 contacts → | ||||
Partial evidence “Prince William County Public Schools (PWCS) launches thriving futures for more than students in 100 schools and centers in Northern Virginia, just 25 miles southwest of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6,679 contacts → | ||||
Strong evidence “Duval County Public Schools is the 18th largest school district in the nation, operates more than 197 schools, and serves approximately students.” Source: RevenueBase Database · checked Sep 22, 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: school districts. 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 school districts.
- Partial evidence
- Its own public description names part of school districts, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name school districts. 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 9,083 school districts based in the United States
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School districts based in the United States at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 9,083 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 school districts, 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 the United States whose own description of what they do matches “school districts”. 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 school districts), 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 school districts, and records with no verified work email. Companies headquartered outside United States 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, 600,820 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 22, 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.
School districts by metro
- School districts in San Antonio44
- School districts in Columbus38
- School districts in Phoenix32
- School districts in Kansas City26
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 school districts, 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 school districts are there based in the United States?
RevenueBase identified 9,083 school districts headquartered in the 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?
LOS Angeles Unified School District, headquartered in Los Angeles, tops this list with the largest team on record.
Which city has the most school districts?
San Antonio leads with 44 headquartered companies, followed by Columbus (38) and Phoenix (32).
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 600,820 verified decision-maker contacts tracked across these 9,083 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 22, 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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