FACTOID # 1: The top five best educated states are all in the Northeast.

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## Education Statistics > Assessments > Scale Score, Grade 4 Reading (most recent) by state

DEFINITION: For each different subject, NAEP creates a scale score based on statistical procedures called item response theory (IRT). IRT is a set of statistical procedures useful in summarizing student performance across a collection of test exercises requiring similar knowledge and skills. All NAEP subject area scales are produced using these procedures. In Math and Reading, NAEP creates a scale ranging from 0-500. In Science and Writing, NAEP creates a scale ranging from 0-300.
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Rank   States  Amount
# 1     Massachusetts: 231
= 2     New Hampshire: 227
= 2     Vermont: 227
= 4     Connecticut: 226
= 4     Virginia: 226
= 4     Delaware: 226
= 7     Maine: 225
= 7     North Dakota: 225
= 7     Montana: 225
= 7     Minnesota: 225
# 11     Colorado: 224
= 12     Pennsylvania: 223
= 12     New Jersey: 223
= 12     Ohio: 223
= 12     Wyoming: 223
= 12     Washington: 223
= 12     New York: 223
= 18     Idaho: 222
= 18     South Dakota: 222
= 20     Wisconsin: 221
 = 20 Missouri: 221 = 20 Iowa: 221 = 20 Utah: 221 = 20 Nebraska: 221 = 25 Kansas: 220 = 25 Maryland: 220 = 25 Kentucky: 220 = 28 Texas: 219 = 28 Florida: 219 = 30 Michigan: 218 = 30 Indiana: 218 = 32 Arkansas: 217 = 32 Oregon: 217 = 32 North Carolina: 217 = 35 Illinois: 216 = 35 Rhode Island: 216 # 37 West Virginia: 215 = 38 Georgia: 214 = 38 Tennessee: 214 = 38 Oklahoma: 214 # 41 South Carolina: 213 # 42 Alaska: 211 # 43 Hawaii: 210 # 44 Louisiana: 209 # 45 Alabama: 208 = 46 California: 207 = 46 Nevada: 207 = 46 New Mexico: 207 = 46 Arizona: 207 # 50 Mississippi: 204 # 51 District of Columbia: 191 Weighted average: 218.1

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