TO:	Fairfax County Department of Planning & Zoning Zoning Evaluation Division
FROM:	Gary Chevalier, Director Facilities Planning, Fairfax County Public Schools
SUBJECT:	Schools Impact Analysis Zoning Application RZ 2005-DR-034, Halcyon Estates Planning Unit 3455
DATE:	December 8, 2005
MAP:	19-3 ((1))) 21A and 21B
ACREAGE:	3.67 Acres
REQUEST:	Rezone R-1 to R-2 to permit the development of 6 single family detached homes.

The following information is submitted in response to your request for a school impact analysis for the proffered condition development application referenced above.

I. Schools that serve this property, their current total memberships, net operating capacities, and five year projections are as follows:

School Name and Number	Grade Level	9/30/05 Capacity	9/30/05 Membership	2006-2007 Membership	Memb/Cap Difference 2006-2007	2010-2011 Membership	Memb/Cap Difference 2010-2011
Colvin Run 3017	K-6	905	887	905	0	977	-72
Longfellow 3031	7-8	1115	1041	1023	92	1022	93
McLean 3030	9-12	1725	1765	1742	-17	1586	139

II. The proposed application could increase or reduce projected student membership as shown in the following analysis:

School Level (by Grade)	Unit Type	Existing Zoning R-1			Unit Type	Proposed Zoning R-2			Student Increase/Decrease	Total Students
		Units	Ratio	Students		Units	Ratio	Students
K-6	SFD	3	x.244	1	SFD	6	x.244	1	0	1
7-8	SFD	3	x.070	0	SFD	6	x.070	0	0	0
9-12	SFD	3	x.159	0	SFD	6	x.159	1	1	1

Comments: Based on the approved proffer guidelines, the 1 additional student generated by this application would justify a proffer of $7,500 for schools (1 student x $7,500 per student). The foregoing information does not take into account the potential impacts of pending or future proposals that could affect the same schools.

Source:	FY 2007-2011, Facilities Planning Services Office Preliminary Enrollment Projections
Note:	Five-year projections are those currently available and will be updated yearly. School attendance areas are also subject to yearly review.