PDF《An Uneven Start:》

4 likely to be proficient than were children in lower SES groups. Ⅲ Holding SES constant reduced the level of racial/ ethnic differences in mathematics proficiency, although Asian and White children still held a few small advantages. Ⅲ Age was related to mathematics proficiency among all kindergartners. Older students were more likely to be proficient than younger students. Within similar a........