Columbine High School
E1034230
Columbine High School is a public secondary school in Littleton, Colorado, best known as the site of the 1999 Columbine High School massacre, one of the deadliest school shootings in U.S. history.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Columbine High School canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13309788 — 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: Columbine High School Context triple: [Columbine High School massacre, location, Columbine High School]
-
A.
Columbine High School massacre
The Columbine High School massacre was a 1999 school shooting in Littleton, Colorado, in which two students murdered 13 people and wounded many others before killing themselves, becoming a defining event in debates over gun violence and school safety in the United States.
-
B.
Columbine
Columbine is a stock character from the Italian commedia dell'arte tradition, typically portrayed as a clever and flirtatious maid and the love interest of Pierrot or Harlequin.
-
C.
Sandy Hook Elementary School
Sandy Hook Elementary School is a public primary school in Newtown, Connecticut, widely known as the site of the 2012 mass shooting tragedy.
-
D.
Sandy Hook
Sandy Hook is a barrier spit and popular recreational area at the northern tip of the Jersey Shore in New Jersey, known for its beaches, historic lighthouse, and views of New York Harbor.
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E.
Parkland
Parkland is a 2013 historical drama film that chronicles the chaotic events surrounding the assassination of U.S. President John F. Kennedy from the perspectives of various ordinary people.
- 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: Columbine High School Target entity description: Columbine High School is a public secondary school in Littleton, Colorado, best known as the site of the 1999 Columbine High School massacre, one of the deadliest school shootings in U.S. history.
-
A.
Columbine High School massacre
The Columbine High School massacre was a 1999 school shooting in Littleton, Colorado, in which two students murdered 13 people and wounded many others before killing themselves, becoming a defining event in debates over gun violence and school safety in the United States.
-
B.
Columbine
Columbine is a stock character from the Italian commedia dell'arte tradition, typically portrayed as a clever and flirtatious maid and the love interest of Pierrot or Harlequin.
-
C.
Sandy Hook Elementary School
Sandy Hook Elementary School is a public primary school in Newtown, Connecticut, widely known as the site of the 2012 mass shooting tragedy.
-
D.
Sandy Hook
Sandy Hook is a barrier spit and popular recreational area at the northern tip of the Jersey Shore in New Jersey, known for its beaches, historic lighthouse, and views of New York Harbor.
-
E.
Parkland
Parkland is a 2013 historical drama film that chronicles the chaotic events surrounding the assassination of U.S. President John F. Kennedy from the perspectives of various ordinary people.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
educational institution
ⓘ
high school ⓘ public secondary school ⓘ |
| associatedWithTopic |
bullying and school climate
ⓘ
emergency response in schools ⓘ gun violence in schools ⓘ school safety ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| educationLevel |
grades 9–12
ⓘ
secondary education ⓘ |
| followsCurriculum | Colorado state education standards ⓘ |
| governedBy | Jefferson County Board of Education NERFINISHED ⓘ |
| hasAddressLocality | Columbine area of Jefferson County NERFINISHED ⓘ |
| hasBuildingUse | educational use ⓘ |
| hasCampusType | suburban campus ⓘ |
| hasCity | Littleton NERFINISHED ⓘ |
| hasContinent | North America NERFINISHED ⓘ |
| hasCountry |
United States of America
ⓘ
surface form:
United States
|
| hasCountrySubdivision | State of Colorado NERFINISHED ⓘ |
| hasCounty | Jefferson County NERFINISHED ⓘ |
| hasEducationalRole | preparation for college and careers ⓘ |
| hasFacilityType | day school ⓘ |
| hasJurisdiction |
State of Colorado
NERFINISHED
ⓘ
United States federal law ⓘ |
| hasMascot | Rebel ⓘ |
| hasNotableImpactOn |
U.S. school security policies
ⓘ
public discourse on school shootings ⓘ |
| hasRegion | Front Range Urban Corridor NERFINISHED ⓘ |
| hasSector | public education sector ⓘ |
| hasSecurityChangesAfter | Columbine High School massacre NERFINISHED ⓘ |
| hasState | Colorado NERFINISHED ⓘ |
| hasStudentBodyType | coeducational ⓘ |
| hasTeamName | Columbine Rebels NERFINISHED ⓘ |
| isPartOf | Jefferson County Public Schools system NERFINISHED ⓘ |
| knownFor |
1999 school shooting
ⓘ
Columbine High School massacre NERFINISHED ⓘ |
| languageOfInstruction | English ⓘ |
| locatedIn |
Colorado
ⓘ
Jefferson County, Colorado NERFINISHED ⓘ Littleton, Colorado NERFINISHED ⓘ |
| locatedInTimeZone | Mountain Time Zone ⓘ |
| massacreDate | 1999-04-20 ⓘ |
| notableEvent | Columbine High School massacre NERFINISHED ⓘ |
| schoolDistrict | Jefferson County Public Schools NERFINISHED ⓘ |
| schoolType | public school ⓘ |
| subjectOf |
media coverage about school shootings
ⓘ
studies on school violence ⓘ |
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: Columbine High School Description of subject: Columbine High School is a public secondary school in Littleton, Colorado, best known as the site of the 1999 Columbine High School massacre, one of the deadliest school shootings in U.S. history.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.