Los Alamos Ranch School
E13436
Los Alamos Ranch School was an elite early 20th-century boys’ boarding school in northern New Mexico whose campus later became the site of the Los Alamos Laboratory for the Manhattan Project.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Los Alamos Ranch School canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T53689 — 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: Los Alamos Ranch School Context triple: [Los Alamos, New Mexico, namedAfter, Los Alamos Ranch School]
-
A.
Choate Rosemary Hall
Choate Rosemary Hall is a prestigious private boarding and day preparatory school in Wallingford, Connecticut, known for educating numerous prominent American political and business leaders.
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B.
University of New Mexico Los Alamos branch campus
The University of New Mexico Los Alamos branch campus is a regional public college offering undergraduate education, workforce training, and community programs as part of the University of New Mexico system.
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C.
Belmont High School
Belmont High School is a public secondary school serving students in the suburban community of Belmont, Massachusetts.
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D.
Allenswood Academy
Allenswood Academy was a prestigious girls’ boarding school in Wimbledon, London, known for its progressive education and influential headmistress Marie Souvestre, who shaped the early intellectual and social views of students such as Eleanor Roosevelt.
-
E.
Newton South High School
Newton South High School is a public secondary school in Newton, Massachusetts, known for its strong academics, diverse student body, and extensive extracurricular offerings.
- 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: Los Alamos Ranch School Target entity description: Los Alamos Ranch School was an elite early 20th-century boys’ boarding school in northern New Mexico whose campus later became the site of the Los Alamos Laboratory for the Manhattan Project.
-
A.
Choate Rosemary Hall
Choate Rosemary Hall is a prestigious private boarding and day preparatory school in Wallingford, Connecticut, known for educating numerous prominent American political and business leaders.
-
B.
University of New Mexico Los Alamos branch campus
The University of New Mexico Los Alamos branch campus is a regional public college offering undergraduate education, workforce training, and community programs as part of the University of New Mexico system.
-
C.
Belmont High School
Belmont High School is a public secondary school serving students in the suburban community of Belmont, Massachusetts.
-
D.
Allenswood Academy
Allenswood Academy was a prestigious girls’ boarding school in Wimbledon, London, known for its progressive education and influential headmistress Marie Souvestre, who shaped the early intellectual and social views of students such as Eleanor Roosevelt.
-
E.
Newton South High School
Newton South High School is a public secondary school in Newton, Massachusetts, known for its strong academics, diverse student body, and extensive extracurricular offerings.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
boarding school
ⓘ
boys' school ⓘ educational institution ⓘ private school ⓘ |
| acquiredBy | United States Army ⓘ |
| acquisitionYear |
1942
ⓘ
1943 ⓘ |
| campusLaterUsedFor |
Los Alamos Laboratory
ⓘ
Manhattan Project ⓘ |
| closedIn | 1943 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| curriculumEmphasis |
character building
ⓘ
college preparatory education ⓘ outdoor education ⓘ |
| educationalLevel | secondary education ⓘ |
| elevation | approximately 7300 feet ⓘ |
| environment |
pine forest plateau setting
ⓘ
ranch-style campus ⓘ |
| foundedBy | Ashley Pond II ⓘ |
| foundingYear |
1917
ⓘ
1918 ⓘ |
| genderAdmission | boys ⓘ |
| hasHeritageStatus | part of the Manhattan Project National Historical Park context ⓘ |
| historicalSignificance |
example of early 20th-century Southwestern ranch school movement
ⓘ
precursor site to the Manhattan Project's main laboratory ⓘ |
| languageOfInstruction | English ⓘ |
| laterSiteOf |
Los Alamos Laboratory
ⓘ
surface form:
Los Alamos National Laboratory
Project Y ⓘ |
| locatedIn |
Los Alamos, New Mexico
ⓘ
surface form:
Los Alamos County, New Mexico
Los Alamos, New Mexico ⓘ northern New Mexico ⓘ |
| notableFeature |
combination of rigorous academics and outdoor life
ⓘ
emphasis on camping and hiking ⓘ use of horseback riding in daily routine ⓘ |
| operationalPeriodEnd | 1943 ⓘ |
| operationalPeriodStart | 1917 ⓘ |
| ownedByAtClosure | United States government ⓘ |
| reasonForClosure | acquisition by the U.S. government for the Manhattan Project ⓘ |
| region |
southwestern United States
ⓘ
surface form:
American Southwest
|
| reputation | elite ⓘ |
| state | New Mexico ⓘ |
| studentBodySize | small enrollment ⓘ |
| studentType | boarding students ⓘ |
| successorInstitutionOnSite |
Los Alamos Laboratory
ⓘ
surface form:
Los Alamos National Laboratory
Los Alamos, New Mexico ⓘ
surface form:
Los Alamos townsite
|
| targetDemographic | sons of affluent families ⓘ |
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: Los Alamos Ranch School Description of subject: Los Alamos Ranch School was an elite early 20th-century boys’ boarding school in northern New Mexico whose campus later became the site of the Los Alamos Laboratory for the Manhattan Project.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.