Kimberly Oakes, a Rensselaer Polytechnic Institute lecturer, right, helps Questar III STEM High School student Sarah Sweet, left, learn how to program a robotic arm on Aug. 2, 2023. Robotics is one of ...

Schools expanded the availability of foundational computer science classes this year at a faster clip than at any other time in the past five years, but stubborn gaps in access to those courses ...