School leaders and local advocates say minority students continue to feel they don’t belong in Belmont Public Schools, despite the district ranking No. 6 in Massachusetts in the 2026 Niche Report, a nationally recognized public school and college assessment organization. Educators of color keep leaving, and students of color continue to report experiencing microaggressions, school leaders and community advocates say. In response, the district has rolled out new hiring strategies and school climate surveys to address ongoing concerns about connection…