Our latest Mapping America (110: Children’s Peabody Individual Achievement Test math percentile norms) shows that children who attend church weekly or more often and who are raised in intact families rank in the highest PIAT math percentiles.
The strongest effects appear to proceed from family structure: children raised in intact married families average in the 54th percentile, while children raised in cohabiting stepfamilies or always-single parent families score the worst, averaging in the 27th percentile.
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