West Contra Costa Unified School District
E442501
West Contra Costa Unified School District is a public school district serving multiple communities in western Contra Costa County in the San Francisco Bay Area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| West Contra Costa Unified School District canonical | 17 |
| West Contra Costa Unified School District Board of Education | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4447545 — 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: West Contra Costa Unified School District Context triple: [El Cerrito, California, United States, hasSchoolDistrict, West Contra Costa Unified School District]
-
A.
South San Francisco Unified School District
South San Francisco Unified School District is a public school district in northern San Mateo County, California, serving students in South San Francisco and nearby communities from elementary through high school.
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B.
Alameda Unified School District
Alameda Unified School District is a public school district serving the city of Alameda, California, overseeing multiple elementary, middle, and high schools.
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C.
San Mateo Union High School District
San Mateo Union High School District is a public high school district serving multiple communities in San Mateo County, California, providing secondary education through several comprehensive and specialized high schools.
-
D.
San Francisco Unified School District
San Francisco Unified School District is the public school district serving the city and county of San Francisco, California, overseeing a diverse network of elementary, middle, and high schools.
-
E.
Millbrae School District
Millbrae School District is a public school district in Millbrae, California, responsible for providing K–8 education to students in the local community.
- 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: West Contra Costa Unified School District Target entity description: West Contra Costa Unified School District is a public school district serving multiple communities in western Contra Costa County in the San Francisco Bay Area.
-
A.
South San Francisco Unified School District
South San Francisco Unified School District is a public school district in northern San Mateo County, California, serving students in South San Francisco and nearby communities from elementary through high school.
-
B.
Alameda Unified School District
Alameda Unified School District is a public school district serving the city of Alameda, California, overseeing multiple elementary, middle, and high schools.
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C.
San Mateo Union High School District
San Mateo Union High School District is a public high school district serving multiple communities in San Mateo County, California, providing secondary education through several comprehensive and specialized high schools.
-
D.
San Francisco Unified School District
San Francisco Unified School District is the public school district serving the city and county of San Francisco, California, overseeing a diverse network of elementary, middle, and high schools.
-
E.
Millbrae School District
Millbrae School District is a public school district in Millbrae, California, responsible for providing K–8 education to students in the local community.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
public school district
ⓘ
school district in California ⓘ |
| boardComposition | elected board of education ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Contra Costa County ⓘ |
| followsCurriculumStandard | California state curriculum standards ⓘ |
| formerName | Richmond Unified School District ⓘ |
| fundingSource |
State of California education funding
ⓘ
federal education funds ⓘ local property taxes ⓘ |
| governingBody |
West Contra Costa Unified School District Board of Education
ⓘ
linked to:
West Contra Costa Unified School District
|
| hasCharacteristic |
serves multiple diverse communities
ⓘ
urban and suburban district ⓘ |
| hasSchoolLevel | K–12 ⓘ |
| headquartersLocation | Richmond, California ⓘ |
| languageOfInstruction | English ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| offersProgram |
adult education
ⓘ
bilingual education ⓘ career technical education ⓘ special education ⓘ |
| operates |
K–8 schools
ⓘ
adult education programs ⓘ charter schools (authorized) ⓘ elementary schools ⓘ high schools ⓘ middle schools ⓘ |
| partOf | public education system of California ⓘ |
| region | San Francisco Bay Area ⓘ |
| servesArea | western Contra Costa County ⓘ |
| servesCommunity |
El Cerrito, California
ⓘ
El Sobrante, California ⓘ Hercules, California ⓘ Kensington, California ⓘ Pinole, California ⓘ Richmond, California ⓘ San Pablo, California ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| subjectOf | local education policy debates in Contra Costa County ⓘ |
| website | https://www.wccusd.net/ ⓘ |
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: West Contra Costa Unified School District Description of subject: West Contra Costa Unified School District is a public school district serving multiple communities in western Contra Costa County in the San Francisco Bay Area.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
El Cerrito, California, United States
→
hasSchoolDistrict
→
West Contra Costa Unified School District
ⓘ
subject linked to:
Kensington
West Contra Costa Unified School District
→
governingBody
→
West Contra Costa Unified School District Board of Education
ⓘ
linked to: West Contra Costa Unified School District
Kensington Hilltop Elementary School
→
hasParentOrganization
→
West Contra Costa Unified School District
ⓘ