WHY DOES NCES GEOCODE SCHOOLADDRESSES? To support spatial analysis and provide geographic context to a schools location Geocoded schools can be overlaid with other geographic layers such as: School Districts Locale Codes Counties Congressional Districts And more…
ON THE DESKTOP SUMMARY Great way to go if software and reference data is already in-house Can geocode more than 350,000 addresses per hour Data maintenance and support No custom development required
2ND APPROACH: GEOCODING WEBSITES Excel and Points on a Web Map Browser Hundreds Publicly of address available at a time data Geocoding Websites
3RD APPROACH: WEB APIS Publicly Accessible Data Hundreds to Custom Thousands of Development addresses at Required a time Web APIs
GEOCODING APIS AVAILABLE FORCUSTOM DEVELOPMENT ArcGIS Online Yahoo Bing Google MapQuest Geonames Be sure to read the terms of service and know the limitations. For example, when using Google, you must display your results on a Google map. Google limits requests to 2,500 addresses, etc.
GEOCODE RESULTS The Hit Rate is the number of addresses that are geocodable The Match Scores tell you what level of accuracy a particular address was geocoded. - Country - Region (state, province, prefecture, etc.) - Sub-region (county, municipality, etc.) - Town (city, village) - Post code (zip code) - Street - Intersection - Address - Premise or Roof Top
WHAT ARE LOCALE CODES? Read more: http://nces.ed.gov/ccd/rural_locales.asp
SCHOOL BOUNDARY PROJECT Project Background 350largest districts already collected 1000+ collected by the end of the year That’s over 50% of students
SCHOOL BOUNDARY PROJECTWhere to find the data Can be downloaded from SDDS Standard Map Viewer.
WHAT’S NEW IN SDDS MAPVIEWER Map Viewer Standard Census 2010 ACS 5yr Estimate 2006- 2010 Public School Boundaries Middle Elementary High Promise Neighborhood Schools Map Viewer Mobile Migration to GEOCLOUD http://nces.ed.gov/surveys/sdds/index.aspx