Matthew Reeves is the CEO of Together, a mentorship platform that empowers organizations to pair every employee with a relevant mentor. Few leaders would argue against the importance of mentorship.

A new study has found evidence of big gains in students’ reading ability from using one specific phonics program—and suggests that consistent implementation is key to getting the strongest results.

Free college programs have grown rapidly in recent years, with more than 200 state and local programs estimated across the country. But how they’re designed can make or break student outcomes, ...