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Mean age (SD) and average date of testing for each time point
| Measure | Fall | Spring | ||
|---|---|---|---|---|
| Mean date of testing |
M age in months (SD) |
Mean date of testing |
M age in months(SD) |
|
| Preschool, Yr 1 | October 13 | 42.31 (4.99) | April 26 | 48.51 (4.76) |
| Preschool, Yr 2 | October 16 | 52.93 (3.92) | April 23 | 59.11 (3.89) |
| Kindergarten | October 25 | 65.43 (3.97) | April 24 | 71.12 (3.97) |
| First grade | November 3 | 77.70 (3.92) | April 19 | 83.06 (3.82) |
| Second grade | November 6 | 89.04 (3.51) | April 10 | 94.10 (3.47) |
