A tier is a service intensity, not a permanent student label. School mental-health programs need a repeatable way to review whether the intervention matches current need, whether the student is benefiting, and whether the next action is to continue, adapt, intensify, transition, or close.
Nonresponse is not the same as student failure
Before concluding that a student 'failed' an intervention, review fit, access, attendance, scheduling, cultural relevance, therapeutic relationship, implementation fidelity, dose, competing stressors, and whether the selected outcome could realistically change within the review period.