William S. Hart Union High School District
E1019834
William S. Hart Union High School District is a public secondary school district serving junior high and high school students in the Santa Clarita Valley region of Los Angeles County, California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| William S. Hart Union High School District canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T13090927 — 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: William S. Hart Union High School District Context triple: [Valencia, California, schoolDistrict, William S. Hart Union High School District]
-
A.
Whittier Union High School District
Whittier Union High School District is a public high school district in the Whittier area of Los Angeles County, California, serving multiple communities with secondary education.
-
B.
Taft Union High School
Taft Union High School is a public secondary school serving students in the city of Taft, California.
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C.
Fullerton Union High School
Fullerton Union High School is a public high school in Fullerton, California, known for its long history and notable alumni, including former NFL player Brig Owens.
-
D.
Duarte Unified School District
Duarte Unified School District is a public school district that serves students in the city of Duarte, California, providing K–12 education through its network of local schools.
-
E.
Reseda High School
Reseda High School is a public secondary school in Reseda, Los Angeles, known for serving a diverse student body and featuring specialized academic and career-focused programs.
- 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: William S. Hart Union High School District Target entity description: William S. Hart Union High School District is a public secondary school district serving junior high and high school students in the Santa Clarita Valley region of Los Angeles County, California.
-
A.
Whittier Union High School District
Whittier Union High School District is a public high school district in the Whittier area of Los Angeles County, California, serving multiple communities with secondary education.
-
B.
Taft Union High School
Taft Union High School is a public secondary school serving students in the city of Taft, California.
-
C.
Fullerton Union High School
Fullerton Union High School is a public high school in Fullerton, California, known for its long history and notable alumni, including former NFL player Brig Owens.
-
D.
Duarte Unified School District
Duarte Unified School District is a public school district that serves students in the city of Duarte, California, providing K–12 education through its network of local schools.
-
E.
Reseda High School
Reseda High School is a public secondary school in Reseda, Los Angeles, known for serving a diverse student body and featuring specialized academic and career-focused programs.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
public school district
ⓘ
secondary school district ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| educationLevel | secondary education ⓘ |
| fundingType | tax-funded ⓘ |
| governedBy | board of education ⓘ |
| governingBodyType | elected school board ⓘ |
| hasJurisdictionOver |
public high schools in Santa Clarita Valley
ⓘ
public junior high schools in Santa Clarita Valley ⓘ |
| hasSchoolType |
high school
ⓘ
junior high school ⓘ middle school ⓘ |
| hasType | union high school district NERFINISHED ⓘ |
| isPartOf | Los Angeles County education system ⓘ |
| languageOfInstruction | English ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Los Angeles County ⓘ
surface form:
Los Angeles County, California
Santa Clarita Valley NERFINISHED ⓘ |
| namedAfter | William S. Hart NERFINISHED ⓘ |
| offersProgram |
career and technical education
ⓘ
college preparatory curriculum ⓘ special education services ⓘ |
| operates | public secondary schools ⓘ |
| primaryServiceType | secondary schooling ⓘ |
| regionServed |
Canyon Country, California
NERFINISHED
ⓘ
Castaic, California NERFINISHED ⓘ Newhall, California NERFINISHED ⓘ Santa Clarita, California NERFINISHED ⓘ Saugus, California NERFINISHED ⓘ Stevenson Ranch, California NERFINISHED ⓘ Valencia, California NERFINISHED ⓘ |
| regulatingAuthority | California Department of Education NERFINISHED ⓘ |
| schoolCategory | grades 7–12 ⓘ |
| sector | public education ⓘ |
| servesEducationalLevel |
high school
ⓘ
junior high school ⓘ |
| stateEducationSystem | California public school system ⓘ |
| website | https://www.hartdistrict.org/ ⓘ |
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: William S. Hart Union High School District Description of subject: William S. Hart Union High School District is a public secondary school district serving junior high and high school students in the Santa Clarita Valley region of Los Angeles County, California.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.