According to our class reading, what effect does open enrollment have on student's educational achievement?

$$ On average, students see a short$-$term loss in achievement after their initial open enrollment.

$$ On average, students who open enroll but eventually return to their see. a long$-$term loss in achievement.

$$ All of these are correct

$$ In terms of district$-$level characteristics, students tend to transfer out of above average school and open enroll in even higher achieving schools.

$$ On average, students see a long$-$term gain in achievement after three years.