education-data-source-nhgis
DAAF-Contribution-Community/daaf/.claude/skills/education-data-source-nhgis/SKILL.md
NHGIS — census geography crosswalks via Portal: links schools (ncessch) and colleges (unitid) to census tracts, block groups, CBSAs, and regions (census-geography vintages 1990-2020; mirror file-year/linkage coverage 1980-2023). Portal provides geography linkage tables ONLY; browse census demographics in the public NHGIS Data Finder, then sign in with a free IPUMS NHGIS account to submit, manage, or download extracts. API extract requests also need an API key. Use for linking education or institutional data to census geography.
Licensed with conditions — read it at the source. Read it on GitHub.
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CLAUDE.md
Skill
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