This list of educators and other resources to follow online includes a ninja, a hacker, a cool cat and a star. These K-12 thought leaders are sharing ideas about equity, staying motivated as an educator, and the future of grading.

College students staff nightly homework hotlines for high school and middle school students who math and science help. Rather than serving up the answers, tutors aim to guide the younger students toward solving problems themselves.

Former administrator Mike Schmoker offers a warning: Research shows little evidence that many current educational fads have significantly improved achievement. At DA's September summit for chief academic officers, he will tell curriculum directors what they should prioritize.

Many district leaders have over the last few years implemented mental health screening for all students. Many administrators have also begun to train teachers and staff in mental health first aid techniques that enable educators to spot early warning signs of a student in distress and provide immediate assistance.

Young people from low-income families face yet another developmental gap. Researchers have found that, as with technology, wealthier students have greater access to organized youth sports than do less affluent children.

Criticism has driven The College Board to overhaul a higher ed effort to consider the impact of neighborhood crime, high school quality, family income, property values and other factors as part of a student's SAT score.

As racial disparities drive more school systems to reduce expulsions and out-of-school suspensions, some educators are questioning the effectiveness of restorative practices and less punitive responses to behavior problems.

Two more states have taken major steps toward teaching students the history of the LGBT and disabled communities, and about the accomplishments of key figures from each group.