Students in Kristen Gonsoir’s classroom at Groton Area High School in Groton, S.D., spend a lot of time solving equations together. Early this school year, they passed almost an entire period working ...

At Del Rio STEM Academy, a magnet school in Oceanside Unified School District, first-grade teacher Katherine Sebastian uses her hands as she talks through math problems. Her hands come together in a ...

Science one semester, social studies the next. Or social studies and science alternating every other day. These are familiar schedules for the two subjects in elementary schools, where professional ...