Castro Valley Unified School District
E912813
Castro Valley Unified School District is the public school district responsible for providing K–12 education to students in Castro Valley, California.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Castro Valley Unified School District canonical | 4 |
| Castro Valley Unified School District Board of Education | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11220952 — 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: Castro Valley Unified School District Context triple: [Castro Valley, California, hasSchoolDistrict, Castro Valley Unified School District]
-
A.
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.
-
B.
Portola Valley School District
Portola Valley School District is a small public school district serving elementary and middle school students in the affluent, rural-residential community of Portola Valley, California.
-
C.
Las Virgenes Unified School District
Las Virgenes Unified School District is a public school district serving the communities of Calabasas and surrounding areas in western Los Angeles County, California, known for its high-performing schools and strong academic programs.
-
D.
San Lorenzo Valley Unified School District
San Lorenzo Valley Unified School District is a public school district serving students in the San Lorenzo Valley area of Santa Cruz County, California, including the community of Boulder Creek.
-
E.
Martinez Unified School District
Martinez Unified School District is a public school district serving students in and around the city of Martinez in Contra Costa County, California.
- 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: Castro Valley Unified School District Target entity description: Castro Valley Unified School District is the public school district responsible for providing K–12 education to students in Castro Valley, California.
-
A.
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.
-
B.
Portola Valley School District
Portola Valley School District is a small public school district serving elementary and middle school students in the affluent, rural-residential community of Portola Valley, California.
-
C.
Las Virgenes Unified School District
Las Virgenes Unified School District is a public school district serving the communities of Calabasas and surrounding areas in western Los Angeles County, California, known for its high-performing schools and strong academic programs.
-
D.
San Lorenzo Valley Unified School District
San Lorenzo Valley Unified School District is a public school district serving students in the San Lorenzo Valley area of Santa Cruz County, California, including the community of Boulder Creek.
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E.
Martinez Unified School District
Martinez Unified School District is a public school district serving students in and around the city of Martinez in Contra Costa County, California.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
public school district
ⓘ
school district ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Alameda County ⓘ |
| educationLevel | K–12 ⓘ |
| follows |
California Department of Education regulations
ⓘ
U.S. federal education laws ⓘ |
| fundingSource |
federal education funds
ⓘ
local property taxes ⓘ state education funds ⓘ |
| governingBody | elected school board ⓘ |
| governs | public schools in Castro Valley, California ⓘ |
| hasSchoolType |
alternative school
ⓘ
elementary school ⓘ high school ⓘ middle school ⓘ |
| jurisdiction | students residing in Castro Valley, California ⓘ |
| languageOfInstruction | English ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| offers |
career and technical education programs
ⓘ
college preparatory courses ⓘ extracurricular programs ⓘ primary education ⓘ secondary education ⓘ |
| responsibleFor |
curriculum implementation
ⓘ
hiring teachers ⓘ maintenance of school facilities ⓘ school administration ⓘ special education services ⓘ student services ⓘ |
| sector | public education ⓘ |
| serves | Castro Valley, California ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
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: Castro Valley Unified School District Description of subject: Castro Valley Unified School District is the public school district responsible for providing K–12 education to students in Castro Valley, California.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
Castro Valley High School
→
governingBody
→
Castro Valley Unified School District Board of Education
ⓘ
linked to: Castro Valley Unified School District