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Projections of Education Statistics to 2020

NCES 2011-026
September 2011


Table D.  Mean absolute percentage errors (MAPEs) of projections for total and per pupil current expenditures for public elementary and secondary education, by lead time: 2011

Statistic Lead time (years)
1 2 3 4 5 6 7 8 9 10
Total current expenditures 1.3 2.0 2.1 2.2 2.6 3.3 4.1 4.3 4.0 4.1
Current expenditures per pupil in fall enrollment 1.3 2.0 2.0 2.1 3.0 3.6 4.4 4.9 5.2 5.5
NOTE: Expenditures were in constant dollars based on the Consumer Price Index for all urban consumers, Bureau of Labor Statistics, U.S. Department of Labor. MAPEs for current expenditures were calculated using projections from the last 20 editions of Projections of Education Statistics containing current expenditure projections. Calculations were made using unrounded numbers. Some data have been revised from previously published figures.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Projections of Education Statistics, various issues. (This table was prepared March 2011.)

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