{"id":"school_presentation_observations","columns":[{"name":"metric_id","type":["string","null"]},{"name":"year","type":["integer","null"]},{"name":"period","type":["string","null"]},{"name":"period_kind","type":["string","null"]},{"name":"entity","type":["string","null"]},{"name":"fund","type":["string","null"]},{"name":"accounting_basis","type":["string","null"]},{"name":"budget_status","type":["string","null"]},{"name":"value","type":["number","null"]},{"name":"value_state","type":["string","null"]},{"name":"unit","type":["string","null"]},{"name":"source_url","type":["string","null"]},{"name":"source_start_seconds","type":["number","null"]},{"name":"report_vintage","type":["string","null"]},{"name":"definition","type":["string","null"]},{"name":"comparison_period","type":["string","null"]},{"name":"assessed_value","type":["number","null"]},{"name":"as_of","type":["string","null"]}],"empty_values":"CSV empty fields and JSON null mean unavailable; an explicit zero is numeric zero.","source_reference":"Source URL plus page, row, column, or line fields where supplied. Financial columns keep their own budget stages."}