List of Comprehensive secondary schools in Illinois
Illinois has 760 Comprehensive secondary schools in this dataset, last verified September 6, 2026. It ranks 6th of 40 states with 3.6% of the national total, between Ohio (873) and Pennsylvania (756).
Chicago is the largest city market we track, with 177 Comprehensive secondary schools. That city holds 23% of the state total, with the rest spread across smaller cities and towns.
Email is harder to come by in Illinois: 100 records (13.2%) include an email address, below the national rate of 16.5%, so phone should carry more of the outreach. 713 (93.8%) list a phone number, and 97 carry both.
89.6% of Comprehensive secondary schools in Illinois have a website, in line with the national average of 87.7%. Only 79 lack a site, so pitch redesigns and SEO rather than first-time builds.
Social Media Reach
142
113
17
67
YouTube
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Comprehensive secondary schools List in Illinois
Browse a random sample of 15 records — see the exact fields and data quality before you download.
| LOGO | Business Name | Address | City | State | Country | Phone | Website | Reviews | Rating | FB | IG | LI | YT | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lyons Township High School North Campus | Address | La Grange | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | |||
Belvidere High School | Address | Belvidere | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | |||
Elgin High School | Address | Elgin | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | |||
 | Flanagan-Cornell Unit 74 | Address | Flanagan | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | ||
 | Sullivan High School | Address | Sullivan | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | ||
Sangamon County Learning Academy | Address | Springfield | Illinois | United States | Email | Phone | — | 0 | 0 | — | — | — | — | ||
 | The Carra House | Address | Matteson | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | ||
Bolingbrook High School | Address | Bolingbrook | Illinois | United States | Email | Phone | 0 | 0 | — | — | |||||
Trojan Athletic Facility | Address | Dwight | Illinois | United States | Email | Phone | — | 0 | 0 | — | — | — | — | ||
Lindblom Math and Science Academy | Address | Chicago | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | |||
Du Quoin High School | Address | Du Quoin | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | |||
William H. Wells Community Academy High School | Address | Chicago | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | ||||
 | Guilford High School | Address | Rockford | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | ||
Marshall Metro High School | Address | Chicago | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | |||
Escuela central | Address | Champaign | Illinois | United States | Email | Phone | — | 0 | 0 | — | — | — | — |
This is a randomized preview — the full database contains 760 records with complete field coverage.
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760 verified records — emails, phones, social profiles and more. One-time payment, instant download.
What You Can Do with the List of Comprehensive secondary schools in Illinois
This list is built for teams that sell to Comprehensive secondary schools: education technology vendors, school supply distributors and facility service contractors. It covers 760 Comprehensive secondary schools in Illinois, with the fields to call, email, segment and map them.
Who Sells to Comprehensive secondary schools in Illinois
Each of these buyers can work the 760 businesses in this list as a pipeline for a different product:
- Education technology vendors: Pitch enrollment, learning and parent communication software to the 760 Comprehensive secondary schools in Illinois.
- School and classroom supply distributors: Offer furniture, learning materials and bulk supplies.
- Food, cleaning and maintenance contractors: Bid for the meal, cleaning and facility contracts that schools and centers put out.
Phone, Contact Form and Facebook Outreach in Illinois
Start with the 97 records that list both a phone number and an email address, then widen out channel by channel:
- Cold calling (713): 93.8% of records include a phone number for call campaigns, appointment setting and follow-ups.
- Website contact forms (152): businesses with a contact page URL give you another way in when no email is listed.
- Facebook messages (142): 18.7% have a Facebook page, a further channel when calls and emails go unanswered.
- CRM import: CSV and Excel files load into HubSpot, Salesforce, Zoho or Pipedrive, with city, state and postal code columns for assigning leads to reps.
Prospect Segments for Agencies in Illinois
Filter the website, rating and social columns to pull the Comprehensive secondary schools that fit a specific service before you pitch:
- No website listed (79): 10% of Comprehensive secondary schools in Illinois have no website on record, a direct prospect list for web designers and local SEO agencies.
- No Facebook page (618): 81% have no Facebook page on record, an opening for social media management agencies.
Prioritize Cities Across Illinois
The 760 Comprehensive secondary schools in Illinois are spread across 1 cities we track and many smaller towns, so rank areas before sending reps out:
- Beyond the big cities: 583 records (77%) sit outside the 1 cities with their own list, reachable by phone and email without travel.
- Postal code patches: records include postal codes, so each rep can get a compact patch with no overlapping accounts.
- Route planning: records include latitude and longitude, so you can map accounts and plan visit days around clusters.
Data Coverage for Comprehensive secondary schools in Illinois
760 records · verified September 6, 2026
- Phone numbers
- 713
- Email addresses
- 100
- Phone and email
- 97
- Websites
- 681
Social profiles:
- Facebook:142· 18.7%
- Instagram:113· 14.9%
- X (Twitter):105· 13.8%
- YouTube:67· 8.8%
- LinkedIn:17· 2.2%
Comprehensive secondary schools in Illinois are a phone-first market: 93.8% list a phone number but only 13.2% publish an email.
Related Comprehensive secondary schools by Location
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Frequently asked questions about Comprehensive secondary schools in Illinois
Everything you need to know about our comprehensive secondary schools database for Illinois: data quality, coverage, freshness, pricing, and formats. Last updated September 6, 2026.
How many Comprehensive secondary schools are there in Illinois?
There are 760 comprehensive secondary schools in Illinois in our verified database, as of September 6, 2026.
This covers independent operators, regional chains, and enterprise-scale businesses, across every city in Illinois, for sales prospecting, competitive research, and territory planning.
How up to date is the Comprehensive secondary schools data for Illinois?
This dataset was last updated in September 6, 2026.
Business contact data decays at roughly 2–3% per month as businesses close, move, or change details, so we re-verify our most-purchased datasets on a rolling basis.
Every file is also run through email verification before delivery, and past buyers are offered discounted refreshed versions as updates ship.
What fields are included in the Comprehensive secondary schools database for Illinois?
Each record can include: business name, full address, phone number, email address, website URL, social profiles (LinkedIn, Facebook, Instagram, YouTube, X), review ratings, and category details, plus contact-page URLs where available.
Field coverage varies by record; the counts below and the free sample show you exactly what to expect before buying.
Where can I buy verified market intelligence data for Comprehensive secondary schools businesses in Illinois?
InfiniteLeadsHub provides verified market intelligence datasets for comprehensive secondary schools businesses in Illinois as a one-time purchase with no subscription.
Ideal for market research, sales planning, and business development.
How much does the Comprehensive secondary schools database for Illinois cost?
The complete comprehensive secondary schools leads database for Illinois costs $10 as a one-time payment.
You get instant access to all 760 records with no recurring fees, no per-record charges, and no seat limits.
It is a cost-effective alternative to subscription platforms that charge monthly for the same public business data.
Is this a cheaper alternative to subscription lead databases like ZoomInfo or Apollo?
Yes. For teams that need comprehensive secondary schools contacts in Illinois specifically, a one-time $10 file is usually far cheaper than subscription platforms, which typically charge thousands of dollars per year with contracts and per-seat pricing.
Subscriptions make sense for large sales teams needing continuous multi-industry access; a one-time targeted list makes sense when you know exactly which niche and geography you're selling into.
Can I preview a sample of the Comprehensive secondary schools data before buying?
Yes. A free sample dataset is available so you can evaluate data quality, field coverage, and format before purchasing.
The sample is a representative slice of the full Illinois comprehensive secondary schools database, including contact fields, social profiles, and ratings data.
How do I download the Comprehensive secondary schools list, and what file formats are available?
You get instant access after purchase. Files are delivered in CSV and Excel (XLSX) formats.
CSV and Excel import directly into CRMs like Salesforce, HubSpot, and Zoho and into any email platform.
How many Comprehensive secondary schools in Illinois have phone numbers?
713 comprehensive secondary schools in Illinois (94% of the database) include a phone number.
That makes the dataset effective for cold calling, telemarketing, and appointment setting campaigns.
How many Comprehensive secondary schools in Illinois have email addresses?
100 comprehensive secondary schools in Illinois (13%) include an email address.
Email remains one of the highest-ROI B2B outreach channels, making this subset ideal for cold email sequences, product announcements, and drip campaigns.
How many Comprehensive secondary schools in Illinois have both a phone number and an email address?
97 comprehensive secondary schools in Illinois have both a phone number and an email address.
Dual-contact records enable multi-channel outreach: combining calls with email follow-ups measurably improves response rates.
How many Comprehensive secondary schools in Illinois are active on social media?
Social profile coverage for comprehensive secondary schools in Illinois: 17 on LinkedIn, 142 on Facebook, 113 on Instagram, 67 on YouTube, 105 on X (Twitter).
Social presence signals digitally engaged businesses, which is useful for agencies pitching social media services, ad platforms building audiences, and vendors targeting digitally mature prospects.
How many Comprehensive secondary schools in Illinois have a website?
681 comprehensive secondary schools in Illinois (90%) have an active business website.
That is an indicator of digital maturity, and an ideal segment for SEO agencies, hosting providers, and SaaS platforms.
How many Comprehensive secondary schools in Illinois do not have a website?
79 comprehensive secondary schools in Illinois operate without a business website.
These are high-intent, overlooked prospects for web design agencies, local SEO providers, and Google Business optimization services.
What are the review ratings of Comprehensive secondary schools in Illinois?
Rating breakdown for comprehensive secondary schools in Illinois: 0 with a 5-star rating, 0 with a 4-star rating, 0 with a 3-star rating, 0 with a 2-star rating, 0 with a 1-star rating.
Top-rated businesses suit premium services and partnership proposals; lower-rated businesses are receptive prospects for reputation management, review tools, and operational software.
Can I get Comprehensive secondary schools data for other states or the entire US?
Yes. The national Comprehensive secondary schools database covers all 50 US states, and individual state and major-city lists are also available.
If you buy Illinois first, contact us and we'll credit your purchase toward the national upgrade.
Most multi-state buyers save money going national.
Is the Comprehensive secondary schools contact data in Illinois legal to use for B2B outreach?
Yes. All data is sourced exclusively from publicly available information: Google Business listings, company websites, social media profiles, and public business directories.
This is business contact information, not personal consumer data, making it appropriate for B2B prospecting.
We recommend following applicable regulations such as CAN-SPAM (US), CASL (Canada), and GDPR (EU-targeted campaigns) so your outreach remains fully compliant.