Company lists · Data refreshed November 2026

Top 25 High school groups worldwide

RevenueBase identified 1,161 company matches for high school groups worldwide as of November 2026 and tracks 16,755 professional contacts across them, including 3,303 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for high school groups worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for high school groups follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,161Companies
16,755Contacts tracked
3,303Verified emails
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The 25 largest high school groups worldwide

Ranked by team size
Top 25 of 1,161 company matches for high school groups worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchReston, VA, United StatesHQ recorded Nov 6, 2026n/a1,851 contacts →

Exact match

“Future Business Leaders of America, Inc.(FBLA) is the premier business career student organization in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchUnited StatesHQ recorded Nov 6, 2026n/a706 contacts →

Exact match

“Key Club is an international student-led organization which provides its members with opportunities to provide service, build character and develop leadership.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAustin, United StatesHQ recorded Nov 6, 2026201-500397 contacts →

Exact match

“For more than 40 years, Communities In Schools has been helping students achieve in school, graduate and go on to bright futures.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPortland, TX, United StatesHQ recorded Nov 6, 2026501-1,000149 contacts →

Exact match

“GREGORY-PORTLAND ISD is a primary/secondary education company based out of 1200 Broadway Blvd, Portland, TX 78374, Portland, Texas, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500132 contacts →

Exact match

“A great school is a combination of different things.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchQuintero, ChileHQ recorded Nov 6, 202651-200119 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 2026201-500111 contacts →

Exact match

“Lynbrook High School is proud to serve a diverse population of students, with varied academic and extracurricular interests.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPlainfield, United StatesHQ recorded Nov 6, 2026201-500109 contacts →

Exact match

“Plainfield South High School Website”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Nov 6, 2026201-500109 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Lord Grey Academy is a secondary academy based in the heart of Bletchley.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSpartanburg, SC, United StatesHQ recorded Nov 6, 202611-50103 contacts →

Exact match

“National Beta is the largest independent, non-profit, educational youth organization in America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCarlisle, PA, United StatesHQ recorded Nov 6, 2026501-1,00095 contacts →

Exact match

“Cumberland Valley High School is a financial services company based out of Carlisle, Pennsylvania, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchEl, NetherlandsHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Echnaton staat bij iedereen bekend als de sportiefste school van Flevoland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNeedham, MA, United StatesHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Needham High School is a company based out of 609 Webster Street, Needham, Massachusetts, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCape Town, South AfricaHQ recorded Nov 6, 202611-5082 contacts →

Exact match

“At Camps Bay High School we pride ourselves in what we can offer our pupils.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWendover, United KingdomHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“At John Colet School we want students to progress both academically and in terms of their character.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMedellin, ColombiaHQ recorded Nov 6, 2026501-1,00072 contacts →

Exact match

“La Organización Estudiantil, creada en 1987, es ahora el grupo estudiantil más grande de la Universidad EAFIT, el cual te ofrece una experiencia cercana a una organización real…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 202651-20070 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWest Palm Beach, FL, United StatesHQ recorded Nov 6, 2026201-50068 contacts →

Exact match

“Founded in 1971, Boys & Girls Clubs of Palm Beach County is a nonprofit youth development organization dedicated to promoting the educational, vocational, health leadership, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMaywood, IL, United StatesHQ recorded Nov 6, 2026201-50068 contacts →

Exact match

“Proviso East High School is a Hospital and Health Care company located in 807 S 1st Ave, Maywood, Illinois, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSanta Rosa, CA, United StatesHQ recorded Nov 6, 2026201-50065 contacts →

Exact match

“Boys & Girls Clubs of Sonoma-Marin has been serving youth for over 75 years, since 1946.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,00062 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDowney, CA, United StatesHQ recorded Nov 6, 2026201-50062 contacts →

Exact match

“DFEO is a non-profit, providing before and after-school enrichment programs for Downey Unified School District's TK-8th grade students.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrooklyn, United StatesHQ recorded Nov 6, 2026501-1,00062 contacts →

Exact match

“Millennium Development is a non-profit organization that has served the Brooklyn community since 1993 and the Queens community since 2008.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGreenville, TX, United StatesHQ recorded Nov 6, 2026n/a61 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,161 high school groups worldwide

See the full list, filter by size, metro and specialty, and access 3,303 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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High school groups worldwide at a glance

As of Nov 6, 2026
19.7%Verified-email coverage
14.4Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
387
11-50
396
51-200
240
201-500
63
501-1,000
19
1,001-5,000
17
5,001-10,000
1
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for high school groups are linked below.
What qualifies
Company records worldwide whose business descriptions match “high school groups” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 3,303 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

High school groups by location

1 lists · largest first

Every High school groups list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “high school groups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many high school groups are there worldwide?

RevenueBase identified 1,161 company matches for high school groups worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Future Business Leaders Of America, Inc. Fbla tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most high school groups?

The United States leads with 625 companies. Every high school groups list by country and city is linked on this page.

Which city has the most high school groups?

New York leads with 10 company records, followed by Los Angeles (9) and London (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,303 professional contacts with verified work emails tracked across these 1,161 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.