Years 1-6 Northwest MHTTC School Mental Health Supplement Summaries Review the highlights from each year of the NWMHTTC School Mental Health Supplement and track the cumulative impact of our work on the school mental health workforce. Year 1-3 Year 1-4 Year 1-5 Year 1-6 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6