Community Consolidated School District 21
E944542
Community Consolidated School District 21 is a suburban public school district in the Chicago metropolitan area serving elementary and middle school students in and around Buffalo Grove, Illinois.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Community Consolidated School District 21 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11744943 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Community Consolidated School District 21 Context triple: [Buffalo Grove, Illinois, hasPublicSchoolDistrict, Community Consolidated School District 21]
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A.
Community Consolidated School District 93
Community Consolidated School District 93 is a public school district in the western suburbs of Chicago that serves elementary and middle school students in parts of Hanover Park and surrounding communities.
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B.
Community Consolidated School District 89
Community Consolidated School District 89 is a public school district serving elementary and middle school students in and around Glen Ellyn, Illinois.
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C.
Schaumburg Community Consolidated School District 54
Schaumburg Community Consolidated School District 54 is a public elementary school district serving students in Schaumburg and surrounding communities in suburban Chicago, Illinois.
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D.
Community High School District 99
Community High School District 99 is a public high school district in DuPage County, Illinois, best known for operating Downers Grove North and Downers Grove South High Schools.
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E.
Skokie School District 69
Skokie School District 69 is a public school district serving elementary and middle school students in the village of Skokie, Illinois.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Community Consolidated School District 21 Target entity description: Community Consolidated School District 21 is a suburban public school district in the Chicago metropolitan area serving elementary and middle school students in and around Buffalo Grove, Illinois.
-
A.
Community Consolidated School District 93
Community Consolidated School District 93 is a public school district in the western suburbs of Chicago that serves elementary and middle school students in parts of Hanover Park and surrounding communities.
-
B.
Community Consolidated School District 89
Community Consolidated School District 89 is a public school district serving elementary and middle school students in and around Glen Ellyn, Illinois.
-
C.
Schaumburg Community Consolidated School District 54
Schaumburg Community Consolidated School District 54 is a public elementary school district serving students in Schaumburg and surrounding communities in suburban Chicago, Illinois.
-
D.
Community High School District 99
Community High School District 99 is a public high school district in DuPage County, Illinois, best known for operating Downers Grove North and Downers Grove South High Schools.
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E.
Skokie School District 69
Skokie School District 69 is a public school district serving elementary and middle school students in the village of Skokie, Illinois.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
public school district
ⓘ
school district in Illinois ⓘ |
| abbreviation | CCSD21 ⓘ |
| alsoKnownAs | School District 21 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| educationLevel |
elementary school
ⓘ
middle school ⓘ |
| fundingType | publicly funded ⓘ |
| governingBodyType | elected school board ⓘ |
| languageOfInstruction | English ⓘ |
| locatedIn |
Buffalo Grove, Illinois
ⓘ
Chicago metropolitan area ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| operates |
elementary schools
ⓘ
middle schools ⓘ |
| regionServed |
Buffalo Grove, Illinois
ⓘ
surrounding suburban communities in the Chicago metropolitan area ⓘ |
| sector | public ⓘ |
| setting | suburban ⓘ |
| state | Illinois ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Community Consolidated School District 21 Description of subject: Community Consolidated School District 21 is a suburban public school district in the Chicago metropolitan area serving elementary and middle school students in and around Buffalo Grove, Illinois.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Wheeling Community Consolidated School District 21
→
alsoKnownAs
→
Community Consolidated School District 21
ⓘ