
| Characteristic | Language knowledge and skills |
Literacy knowledge and skills |
Mathematics knowledge and skills |
Percent scoring 10 out of 10 in color knowledge4 | Average fine motor skills score8 |
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| Average receptive vocabulary score1 | Average expressive vocabulary score2 | Average overall literacy score3 |
Percent proficient at letter recognition4 |
Average phonological awareness score5 | Average conventions of print score6 | Average overall mathematics score7 | Percent proficient in numbers and shapes4 |
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| Total | 8.6 | 2.4 | 13.2 | 32.7 | 3.3 | 2.5 | 22.8 | 65.4 | 63.6 | 3.4 | ||
| Sex | ||||||||||||
| Male | 8.4 | 2.3 | 12.7 | 30.8 | 3.3 | 2.4 | 22.3 | 62.3 | 61.3 | 3.1 | ||
| Female | 8.8 | 2.6 | 13.7 | 34.8 | 3.4 | 2.6 | 23.3 | 68.7 | 66.1 | 3.7 | ||
| Race/ethnicity9 | ||||||||||||
| White | 9.2 | 2.6 | 14.2 | 36.8 | 3.5 | 2.7 | 24.2 | 73.1 | 71.0 | 3.5 | ||
| Black | 8.0 | 2.4 | 12.0 | 28.3 | 3.2 | 2.3 | 20.6 | 54.7 | 55.3 | 3.2 | ||
| Hispanic | 7.4 | 2.1 | 10.7 | 23.0 | 3.0 | 2.0 | 20.1 | 51.4 | 50.2 | 3.3 | ||
| Asian | 7.9 | 2.1 | 17.5 | 49.4 | 3.9 | 3.3 | 26.3 | 81.2 | 70.7 | 4.5 | ||
| Pacific Islander | ‡ | ‡ | ‡ | ‡ | ‡ | ‡ | ‡ | ‡ | ‡ | ‡ | ||
| American Indian/Alaska Native | 7.9 | 2.1 | 9.6 | 18.8 | 2.9 | 1.8 | 17.6 | 39.9 | 43.9 | 3.0 | ||
| More than one race | 9.0 | 2.5 | 13.9 | 35.4 | 3.5 | 2.7 | 23.0 | 65.4 | 63.1 | 3.5 | ||
| Primary type of care arrangement | ||||||||||||
| No regular nonparental | ||||||||||||
| arrangement | 8.1 | 2.3 | 11.4 | 25.6 | 3.1 | 2.2 | 20.6 | 53.4 | 51.6 | 3.1 | ||
| Home-based care | ||||||||||||
| Relative care | 8.3 | 2.3 | 11.4 | 25.8 | 3.1 | 2.2 | 20.9 | 55.4 | 53.4 | 3.2 | ||
| Nonrelative care | 8.6 | 2.5 | 12.8 | 31.5 | 3.3 | 2.4 | 23.2 | 67.6 | 63.8 | 3.3 | ||
| Head Start | 7.9 | 2.3 | 11.2 | 25.0 | 3.1 | 2.1 | 20.6 | 54.7 | 52.6 | 3.2 | ||
| Other center-based care | 9.0 | 2.6 | 14.9 | 39.5 | 3.6 | 2.8 | 24.6 | 75.0 | 73.5 | 3.6 | ||
| Multiple arrangements | 8.6 | 2.5 | 12.7 | 30.8 | 3.3 | 2.4 | 22.5 | 65.3 | 67.1 | 3.2 | ||
| Parents’ highest level of education | ||||||||||||
| Less than high school | 7.1 | 1.9 | 8.9 | 16.0 | 2.7 | 1.7 | 17.9 | 39.5 | 36.9 | 3.1 | ||
| High school diploma or equivalent | 7.9 | 2.3 | 10.6 | 22.8 | 3.0 | 2.0 | 19.9 | 50.5 | 51.3 | 3.1 | ||
| Some college | 8.6 | 2.5 | 12.4 | 29.8 | 3.2 | 2.4 | 22.4 | 64.5 | 64.5 | 3.4 | ||
| Bachelor’s degree | 9.2 | 2.7 | 15.4 | 41.6 | 3.6 | 3.0 | 25.5 | 81.0 | 75.6 | 3.7 | ||
| Any graduate education | 9.7 | 2.7 | 18.1 | 51.9 | 4.0 | 3.5 | 27.4 | 86.0 | 81.0 | 3.9 | ||
| Mother’s employment status | ||||||||||||
| Full-time (35 hours or more) | 8.6 | 2.5 | 13.4 | 33.6 | 3.4 | 2.6 | 23.3 | 68.3 | 67.5 | 3.5 | ||
| Part-time (less than 35 hours) | 8.8 | 2.5 | 13.7 | 34.6 | 3.4 | 2.6 | 23.4 | 69.0 | 63.5 | 3.5 | ||
| Looking for work | 7.9 | 2.2 | 10.7 | 23.2 | 3.0 | 2.0 | 19.7 | 47.5 | 47.1 | 3.0 | ||
| Not in labor force | 8.6 | 2.4 | 13.1 | 32.5 | 3.3 | 2.5 | 22.4 | 63.2 | 62.1 | 3.3 | ||
| No mother in household | 8.2 | 2.2 | 10.7 | 23.4 | 3.0 | 2.0 | 20.6 | 53.8 | 58.7 | 3.0 | ||
| Poverty status | ||||||||||||
| In poverty | 7.7 | 2.1 | 9.9 | 20.1 | 2.9 | 1.9 | 18.9 | 44.8 | 46.8 | 3.1 | ||
| At or above poverty | 8.9 | 2.5 | 14.2 | 36.7 | 3.5 | 2.7 | 24.0 | 71.8 | 68.8 | 3.5 | ||
| Socioeconomic status (SES)10 | ||||||||||||
| Lowest 20 percent | 7.3 | 2.0 | 9.2 | 17.2 | 2.8 | 1.7 | 18.0 | 40.1 | 42.8 | 3.0 | ||
| Middle 60 percent | 8.6 | 2.5 | 12.7 | 30.8 | 3.3 | 2.4 | 22.6 | 65.3 | 63.5 | 3.4 | ||
| Highest 20 percent | 9.8 | 2.8 | 18.0 | 51.2 | 4.0 | 3.4 | 27.5 | 87.1 | 81.7 | 3.9 | ||
| ‡ Reporting standards not met. | ||||||||||||
| 1 Potential score ranges from 0 to 15. | ||||||||||||
| 2 Potential score ranges from 0 to 5. | ||||||||||||
| 3 Potential score ranges from 0 to 37. | ||||||||||||
| 4 Percentages reflect children who demonstrated mastery or “proficiency” within a subscale measuring specific skills. | ||||||||||||
| 5 Potential score ranges from 0 to 8. | ||||||||||||
| 6 Potential score ranges from 0 to 8. | ||||||||||||
| 7 Potential score ranges from 0 to 44. | ||||||||||||
| 8 Potential score ranges from 0 to 7. | ||||||||||||
| 9 Race categories exclude persons of Hispanic ethnicity. | ||||||||||||
| 10 Children are grouped into quintiles and classified into low, middle, and high SES based on a standardized composite index score of their parents’ education level, mother’s and father’s occupation, and family’s income. See glossary for a definition of socioeconomic status. | ||||||||||||
| NOTE: The Early Childhood Longitudinal Study, Birth Cohort (ECLS-B) sampled children born in 2001. Estimates for 4-year-olds pertain to children assessed between 48 and 57 months old. For more information on race/ethnicity, parents’ education, SES, and poverty, see supplemental note 1. For more information on ECLS-B, see supplemental note 3. See glossary for definitions of cognitive development and motor development. | ||||||||||||
| SOURCE: U.S. Department of Education, National Center for Education Statistics, Early Childhood Longitudinal Study, Birth Cohort (ECLS-B), Longitudinal 9-month–Preschool Restricted-Use Data File. | ||||||||||||