'Tidal wave of factors,' including skyrocketing housing costs, has led to an increase of nearly 50%.
Five ways schools can prioritize the academic success and well-being of students.
The study found that students from Southeast Asian countries, like Vietnam and Cambodia, had suspension and expulsion rates that were 2 to 3 times higher than those from China, Japan and other East Asian countries.
About half as many students were sent home for disciplinary reasons during the 2017-18 school year as had been at the beginning of the decade.
Schools must be both creative and effective at responding to discipline problems.