Controlling for the endogeneity of activity choice and considering both hou
sehold-head and family schooling, we find evidence of high returns from sch
ooling in both crop and noncrop activities. As schooling levels increase, t
he returns from schooling shift away from crop production. Failure to contr
ol for activity selection and family schooling is likely to result in biase
d estimates of the returns from schooling in individual activities.