Next Generation Science Standards aim to reach minorities, English learners and others underrepresented in science fields.
Some schools are replacing asphalt play yards with trees, flowers, and vegetables.
As prices come down, more schools are using high-tech headsets to supplement science lessons.
If California does what the U.S. Department of Education says it should do, some students could end up taking two standardized science tests instead of one this spring.
The education department rejected the state's request for a science testing waiver.