Company lists · Data refreshed September 2026

Top 14 Intellectual disability schools based in Chicago, United States

RevenueBase identified 33 company matches for intellectual disability schools associated with Chicago, United States as of September 2026 and tracks 628 professional contacts across them, including 175 with verified work emails. Across the United States, New York is the largest hub for this category (72 companies); Chicago follows with 33.

This list covers company matches for intellectual disability schools associated with Chicago, United States, 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 September 20, 2026.

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 Sep 20, 2026 How this list was built
33Companies
628Contacts tracked
175Verified emails
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The 14 largest intellectual disability schools based in Chicago, United States

Ranked by team size
Top 14 of 33 company matches for intellectual disability schools based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchChicago, IL, United StatesHQ recorded Sep 20, 202651-20065 contacts →

Exact match

“Located in Chicago, Illinois, The Sonia Shankman Orthogenic School (the O-School) is a therapeutic residential and day program for children and adolescents in need of support for…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 20, 2026201-50050 contacts →

Exact match

“The mission of Search, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-20049 contacts →

Exact match

“Hyde Park Day School is the leading Chicago-area, full-day grade school specializing in the needs of children of average to superior intelligence who have learning disabilities…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-20047 contacts →

Exact match

“PACTT provides educational, residential, & adult vocational services for individuals with severe autism in the Chicago metropolitan area.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202611-5024 contacts →

Exact match

“Black Bear Academy uses a multidisciplinary approach that allows parents to choose educational and/or clinical therapeutic services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202611-5023 contacts →

Exact match

“Gateway to Learning is a 501(c)(3) non-profit organization located in the Lincoln Square neighborhood of Chicago.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 20, 20261-1018 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-20018 contacts →

Exact match

“Merlin Day Academy is a unique, sensory integrated therapeutic school that believes all children with disabilities can learn with the right instructional, environmental, and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-20011 contacts →

Exact match

“The mission of New Horizon Center for children and adults with Developmental Disabilities and Autism is to provide education and training to children and adults with severe…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202611-509 contacts →

Exact match

“My name is Julia Mahowald and I am the founder of JAM Teaching and Consulting.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Special Children’s Charities expands access to inclusive opportunities that support the growth, empowerment, and well-being of children and adults with intellectual and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Sep 20, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Sep 20, 20261-102 contacts →

Exact match

“A Rainbow of Hope for Special Needs Children in Northbrook, Illinois.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202611-501 contacts →

Exact match

“An educational staple in the West Englewood community that teaches our students to be successful in academics and in life.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 14 of 33 intellectual disability schools based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 175 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Intellectual disability schools based in Chicago, United States at a glance

As of Sep 20, 2026
27.9%Verified-email coverage
19.0Average contacts per company
11-50Median size (employees)
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
11
11-50
9
51-200
9
201-500
2
10001+
2

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 33 companies.

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.
What qualifies
Company records associated with Chicago, United States whose business descriptions match “intellectual disability schools” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 175 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 September 20, 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.

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 “intellectual disability schools”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many intellectual disability schools are there based in Chicago, United States?

RevenueBase identified 33 company matches for intellectual disability schools associated with Chicago, United States as of September 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?

Sonia Shankman Orthogenic School The O-School tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most intellectual disability schools?

New York leads the United States with 72 company records, followed by Chicago (33) and Phoenix (32).

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 175 professional contacts with verified work emails tracked across these 33 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 September 20, 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.