Table 21
U.S. student mean scores in reading and math, Long-Term Trend and Main NAEP, 1992–2008
| 1992 | 2008 | Average annual change | |
|---|---|---|---|
| Reading | |||
| LTT | 260 | 260 | 0.00% |
| Main | 260 | 263 | 0.08 |
| Math | |||
| LTT | 273 | 281 | 0.19% |
| Main | 268 | 282 | 0.31 |
Source: Authors' analysis of National Center for Education Statistics' NAEP Data Explorer
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