Company lists · Data refreshed September 2026
Top 25 College prep organizations based in Chicago, United States
RevenueBase identified 115 college prep organizations headquartered in Chicago, United States as of September 2026 and tracks 2,392 professional contacts across them, including 809 with verified work emails. New York is the largest hub.
This list covers college prep organizations headquartered in Chicago, 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 organizations based in Chicago, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 283 contacts → | ||||
Indirect evidence “Our Vision: Every young person will have an equitable opportunity to achieve their greatest postsecondary aspirations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 252 contacts → | ||||
Partial evidence “Mount Carmel High School is Chicago’s premier college preparatory school for young men.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 145 contacts → | ||||
Partial evidence “CollegeAdvisor.com connects high school students/families with effective college counseling and personalized technology to guide them through the US college application process.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 138 contacts → | ||||
Partial evidence “Mission: Cristo Rey Jesuit High School in Chicago provides a Catholic, college preparatory education and professional work experience to students from Spanish speaking families…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 133 contacts → | ||||
Strong evidence “DePaul College Prep is a Catholic high school in the city of Chicago providing a challenging, college prep education for young women and men.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 128 contacts → | ||||
Partial evidence “The Cristo Rey Network comprises 41 Catholic, college preparatory schools that today serve students across 24 states.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 105 contacts → | ||||
Indirect evidence “Amerigo supports international students at U.S.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 102 contacts → | ||||
Partial evidence “ReGeneration Schools is a non-profit school management organization that's dedicated to ensuring that all children have equal access to high quality, college-preparatory education…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 92 contacts → | ||||
Partial evidence “At Academic Approach, we are an organization of educators, expert in the college-readiness space with passion for raising student achievement on college-entrance exams.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 65 contacts → | ||||
Indirect evidence “EPIC Academy is a neighborhood charter high school that opened fall of 2009 in the South Chicago community with the mission to inspire and equip every student to build a path to…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 62 contacts → | ||||
Indirect evidence “Founded in 1910 by the Brothers of Holy Cross, Holy Trinity High School educates promising students from across Chicago who might not otherwise have access to private, Catholic…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 55 contacts → | ||||
Indirect evidence “Chicago Hope Academy is a Christian life preparatory high school in a welcoming environment that empowers students to achieve their full potential.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 34 contacts → | ||||
Indirect evidence “Since its establishment in 2001, EE has brought to life a wealth of programs.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 32 contacts → | ||||
Partial evidence “Chicago Collegiate is a 5th-12th grade tuition-free, open-enrollment public school located on the far South Side of Chicago in Roseland.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 32 contacts → | ||||
Indirect evidence “Mission Statement: For Chicagoland youth who desire and deserve more, MetroSquash combines academic support, competitive squash, and enrichment to empower students to realize…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 26 contacts → | ||||
Indirect evidence “Leo Catholic High School is a company based out of 7901 S Sangamon St, Chicago, Illinois, United States.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 26 contacts → | ||||
Indirect evidence “Providence St.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 24 contacts → | ||||
Partial evidence “We are an expert team of highly qualified and experienced instructors providing 1-1 tutoring and test prep.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 17 contacts → | ||||
Partial evidence “The UChicago Network for College Success partners with educators, school leaders, and districts to build transformational high school experiences that prepare all students for…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 14 contacts → | ||||
Partial evidence “With all the advantages of a small college with opportunities of a large university, the UIC Honors College is an academic enrichment program that is challenging, supportive, and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 13 contacts → | ||||
Indirect evidence “Youth Connection Charter School (YCCS) is a not-for-profit educational organization, partnering with community-based organizations that have served Chicago neighborhoods for the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 12 contacts → | ||||
Strong evidence “Welcome to Chicago Academic, the city’s premier tutoring and college prep program.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 9 contacts → | ||||
Strong evidence “At Luther North College Prep, our mission is to enable students to reach their potential and become lifelong learners through a challenging academic curriculum in a…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Indirect evidence “HighSight is a nonprofit organization which offers scholarship, academic and social support to low-income students attending private high schools throughout Chicago, preparing…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Partial evidence “At CME, we believe that access to a college education can change the lives of youth, their families and their communities.” 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 organizations. 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 organizations.
- Partial evidence
- Its own public description names part of college prep organizations, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name college prep organizations. 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 115 college prep organizations based in Chicago, United States
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College prep organizations based in Chicago, 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 Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 115 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 organizations, 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 Chicago, United States whose own description of what they do matches “college prep organizations”. 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 organizations), 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 organizations, and records with no verified work email. Companies headquartered outside Chicago 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, 809 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 organizations by metro in the United States
- College prep organizations in New York291
- College prep organizations in Los Angeles144
- College prep organizations in Chicago115
- College prep organizations in Houston82
- College prep organizations in San Francisco68
- College prep organizations in Washington68
- College prep organizations in Atlanta66
- College prep organizations in Miami63
- College prep organizations in Austin60
- College prep organizations in Philadelphia49
- College prep organizations in Boston48
- College prep organizations in Dallas48
- College prep organizations in San Diego47
- College prep organizations in Bronx45
- College prep organizations in Irvine41
- College prep organizations in San Jose38
- College prep organizations in Denver35
- College prep organizations in Oakland29
- College prep organizations in Phoenix28
- College prep organizations in Baltimore27
- College prep organizations in Cambridge26
- College prep organizations in Columbia26
- College prep organizations in Charlotte25
- College prep organizations in Nashville25
- College prep organizations in Orlando25
- College prep organizations in Seattle25
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 organizations, 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 organizations are there based in Chicago, United States?
RevenueBase identified 115 college prep organizations headquartered in Chicago, 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?
Onegoal, headquartered in Chicago, tops this list with the largest team on record.
Which city has the most college prep organizations?
New York leads with 291 headquartered companies, followed by Los Angeles (144) and Chicago (115).
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 809 verified decision-maker contacts tracked across these 115 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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