Why is learning to code a big deal? Here's one reason: In 2015, as many as 7 million job openings were in occupations that required coding skills, reported Burning Glass, a job-market analytics firm.

STATEN ISLAND, N.Y. -- Along with traditional reading, writing and arithmetic, students at Tottenville's PS 1 got a 21st-century lesson in computer coding Monday, thanks to a new program being rolled ...