Earlier this year, California invited content developers to offer digital math and science materials for high schools.

VOA: special.2009.08.27

So in my first year, I took math, I took English, I took architecture.

所以在第一年里，我上了数学、英语、建筑方面的课。

为何选那门专业？ - SpeakingMax英语口语达人

Efforts to strengthen math and science education come at a time when 15-year-old U.S.students rank 25th in math literacy and 30th in science literacy -- among the 57 countries participating in the Program for International Student Assessment.

VOA: standard.2010.05.10