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Projections of Education Statistics to 2021

NCES 2013-008
January 2013


Table A-9.  Mean absolute percentage errors (MAPEs) for projected grades 9–12 enrollment in public schools, by lead time, region, and state: 2012 (Table 9—Continued)
Region and state Lead time (years)
1 2 3 4 5 6 7 8 9 10
United States 0.4 0.7 0.9 1.1 1.2 1.5 1.8 2.2 2.4 2.5
                     
Northeast 0.8 1.0 1.0 1.1 1.4 1.3 1.2 1.3 1.3 1.9
Connecticut 0.7 1.0 0.9 1.2 1.9 2.6 3.5 4.8 6.1 8.4
Maine 1.8 3.1 4.0 5.1 5.5 6.3 7.2 8.6 9.1 8.7
Massachusetts 0.6 1.0 1.5 1.7 2.1 2.5 2.5 2.2 2.4 2.5
New Hampshire 0.6 1.1 1.4 1.7 2.0 2.4 2.9 4.0 4.5 5.0
New Jersey 0.7 1.4 2.1 2.4 3.0 4.2 5.2 6.2 7.7 9.3
New York 1.0 1.6 1.9 2.0 2.4 2.8 2.9 3.3 3.8 3.7
Pennsylvania 1.9 2.3 2.2 2.2 2.1 2.6 2.8 2.8 2.0 3.7
Rhode Island 0.9 1.6 2.3 3.1 4.0 4.5 4.8 4.4 3.8 4.0
Vermont 1.1 2.6 3.1 3.8 4.1 4.3 4.3 4.6 4.2 4.1
                     
Midwest 0.5 0.8 1.0 1.2 1.4 1.5 1.9 2.3 2.4 2.6
Illinois 0.9 1.1 1.4 1.6 1.9 2.6 2.9 3.6 3.8 4.3
Indiana 0.6 1.0 1.5 1.9 2.4 2.9 3.7 4.2 4.6 4.5
Iowa 0.9 1.0 1.3 1.3 1.6 1.5 1.8 1.8 1.9 2.1
Kansas 1.3 1.8 2.4 2.6 2.5 2.2 1.8 1.8 1.7 1.0
Michigan 1.6 2.6 3.2 3.8 4.4 5.5 6.9 8.3 9.5 9.7
Minnesota 0.6 1.0 1.3 1.5 1.8 2.1 2.5 2.7 2.9 3.4
Missouri 0.4 0.8 1.0 1.3 1.6 1.7 1.8 1.8 2.1 2.1
Nebraska 0.4 0.8 1.1 1.4 1.7 2.1 2.7 3.3 3.3 3.0
North Dakota 0.7 1.3 1.5 2.0 2.5 3.1 4.4 6.1 7.0 7.6
Ohio 1.1 1.8 2.1 2.3 2.6 3.2 3.7 3.8 3.8 3.5
South Dakota 1.7 3.2 4.6 6.0 7.3 8.2 9.2 10.4 11.0 11.6
Wisconsin 0.8 1.3 1.6 1.9 2.1 2.3 2.0 2.4 2.3 2.6
See notes at end of table. (Table 9—Continued)

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