National surveys show student loneliness remains widespread and tied to belonging and mental‑health outcomes. Education researchers report that loneliness correlates with lower institutional trust and worse academic engagement, prompting K‑12 and higher‑ed leaders to seek scalable supports. Some districts are piloting AI‑enabled mental‑health platforms that flag at‑risk students outside school hours; counselors receive automated alerts and intervene as needed. Schools say the tools expand capacity in understaffed systems, but privacy advocates and clinicians warn of false positives, data governance gaps, and the need for clinician oversight when automated triage is used for crisis detection.