Ontario's top court has upheld the validity of a mandatory math test for new teachers, saying that a lower court decision declaring it unconstitutional was based on preliminary and incomplete data.

A mixed class of Year 2 and 3 students — equivalent to first and second grades in the United States — practices fractions at Beach Haven School in Auckland, New Zealand. The government has instituted ...

On the test, American fourth and eighth graders posted results similar to scores from 1995. It was a sign of notable stagnation, even as other countries saw improvements. By Dana Goldstein American ...