The District of Columbia

Middle School Boundaries (MSBndyPly)

Middle School Boundaries (MSBndyPly)

by Public Schools on 06/30/2009

Keywords
About: Schools, Middle, High, Attendance Boundary, DC Public Schools, Elementary, Junior High, society
Taking place at: Washington, D.C., District of Columbia, DC, DC GIS, DCGIS

Abstract

DC Middle School Attendance Boundaries. This dataset shows D.C. public middle school attendance boundaries, digitized from D.C. Public School paper maps and later added to the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO).

The maps were heads-up digitized from 1995 orthophotos. They do not include private or charter schools. Maps were created in fall of 2000 and reviewed by D.C. Public Schools, with a further update in 2004. An attendance boundary is the defined geographical area in which a citizen must live to enroll in a particular DC public school.

All DC GIS data is stored and exported in Maryland State Plane coordinates NAD 83 meters.

METADATA CONTENT IS IN PROCESS OF VALIDATION AND SUBJECT TO CHANGE.

Purpose

This data is used for the planning and management of Washington, D.C. by local government agencies.

Access constraints

Contact OCTO GIS. Any data obtained outside of OCTO GIS are unauthorized copies.

Use constraints

Data cannot be redistributed in any manner without written authorization. OCTO makes no claims as to the completeness, accuracy or content of any data contained hereon, and makes no representation of any kind, including, but not limited to, the warranty of the accuracy or fitness for a particular use, nor are any such warranties to be implied or inferred with respect to the information or data furnished herein.

Point of contact

GIS Data Coordinator
in D.C. Office of the Chief Technology Officer

441 4th St NW, Suite 930 South
Washington DC, 20001, USA

fax: (202) 727-5660
hours: 8:30 am - 5:00 pm

Credits


D.C. Public Schools
DC GIS

Data accuracy

Accuracy
Data believed to be complete and accurate as of the time period cited. Subject to change. Digital version compared with original source data for accuracy and completeness. Validated by source and/or responsible agency.

Logical consistency
Validated by source and/or responsible agency.

Completeness
Data believed to be complete and accurate, subject to change. Digital version compared with original source data for accuracy and completeness. Validated by source and/or responsible agency.

Horizontal positional accuracy
In process of validation by source and/or responsible agency.

Vertical positional accuracy
N/A

Lineage / Sources

  • 1983 D.C. public school map
    paper, points and boundaries
    1983 D.C. public school map
    by D.C. Public Schools, 1983
  • 1977 DCPS Attendance Boundaries Map
    paper, boundaries
    1977 DCPS Attendance Boundaries Map
    by DCPS, 1977
Lineage / Processes
GIS Data Coordinator
in D.C. Office of the Chief Technology Officer

441 4th St NW, Suite 930 South
Washington DC, 20001, USA

fax: (202) 727-5660
hours: 8:30 am - 5:00 pm
The school boundaries were heads-up digitized from paper maps supplied by the D.C. public schools and the 1995 orthos. They do not include private or charter schools. Maps were created in the fall of 2000 and reviewed by D.C. Public Schools. The planning and facilities group of the DC Public Schools updated the existing attendance boundaries using the basemap and enrollee locations as a base in 2004.

Although these boundaries follow existing snapbase features, the digitized boundaries are not identical to those base features. Differences are not significant at scales fitting a letter-sized page, but differences may become apparent when zoomed in further. Given this, these boundaries are not coincident with geography from other DC GIS datasets. Staff used a 1m tolerance to clean up gaps and overshoots in the polygons.

All DC GIS data is stored and exported in Maryland State Plane coordinates NAD 83 meters.

in OCTO



Dataset archived, replaced by newer version from DC Public Schools.

The files I sent are approved by the Board of Education as of April 21, 2004, and in the case of middle and elementary, they were modified in 2006 after some consolidations. There should be a reference somewhere that boundaries may be modified in the future and that proposed boundaries are posted on:

http://www.k12.dc.us/Dcps/OFM/boundaries/boundaries.html.

in OCTO



All of the attendance boundary outlines (ES, MS, and SHS) were fit to the DC line. Staff then snapped the boundary to the DC snapbase where it clearly followed a road. If a boundary did not follow a road, the line was adjusted to travel the straighest path without intersecting any property.

Boundaries that traveled along water were adjusted to follow the snapbase shoreline, but generalized enough to minimize vertices. If a property was in a school boundary, the boundary line was snapped to the OwnerPly boundary.

For areas where the attendance zone boundaries could not be fit to the snapbase, DCPS and OCTO resolved the issues on an individual basis.

Distribution

Contact OCTO GIS.

Distribution liability
OCTO makes no claims as to the completeness, accuracy or content of any data contained hereon, and makes no representation of any kind, including, but not limited to, the warranty of the accuracy or fitness for a particular use, nor are any such warranties to be implied or inferred, with respect to the information or data furnished herein. Subject to terms and conditions of the Memorandum of Agreement. Memorandum of Agreement must have authorized signature.

Distributed by
GIS Data Coordinator
in D.C. Office of the Chief Technology Officer

441 4th St NW, Suite 930 South
Washington DC, 20001, USA

fax: (202) 727-5660
hours: 8:30 am - 5:00 pm

Entity

DCGIS.MSBndyPly

Attributes

  • Shape / ESRI
    Feature geometry.
  • OBJECTID_1 / ESRI
    Internal feature number.
  • BLDG_NUM
    Building number
  • SCHOOLNAME
    Public school short name
  • PRINCIPAL
  • ADDRESS
  • Z004_ENROL
  • OBJECTID / ESRI
    Internal feature number.
  • CAPACITY
  • SHAPE_LENG
  • Z003_ENROL
  • SHAPE / ESRI
    Feature geometry.
  • SHAPE.AREA
  • SHAPE.LEN

Metadata

FGDC Content Standards for Digital Geospatial Metadata / FGDC-STD-001-1998 as of 07/03/2009

Provided by
GIS Data Coordinator
in D.C. Office of the Chief Technology Officer

441 4th St NW, Suite 930 South
Washington DC, 20001, USA

fax: (202) 727-5660
hours: 8:30 am - 5:00 pm