In last month’s column, I wrote about the development of our equity policy and why we felt it was important to undertake an effort that ensures a high level of success for all students. I told you how diverse our school district has become, both ethnically and economically, and how so many of our students face barriers that can impact their education.

I also pointed out that our focus on equity is a long-term commitment and that the issue isn’t solved simply with the adoption of a policy or with the attention of leadership. Addressing the issue is something that will continue for many...