Want to teach English-language learners? Learn about online TESOL certificate options—including course length, accreditation and cost—with our guide.

Teaching coding to kids was something very few people thought about. But today, parents and teachers know that teaching kids to code has lots of benefits beyond the computer screen.

Myriad online platforms pay native English speakers to teach classes or tutor individual students. A teaching certificate can provide access to better-paying versions of the gig.

When Elizabeth Self starts teaching her 11 a.m. class via Zoom, she has to remember that it isn’t 11 a.m. for all of her students. She’s in Tennessee—where she is an assistant professor at Vanderbilt ...