Together, the K10 and the University Stress scale provide a good overview of student functioning and a minimal outcome dataset for health and counselling services. The K10 captures generalised psychological distress that has the same predictive value for mental illnesses as the longer DASS. It also provides a brief measure of impairment. The University Stress Scale provides an overview of the extent a student is experiencing stress across 20 domains. These measures can be downloaded here.
The Return on Investment (ROI) calculator for mental health (depression) program/services, is customizable to your institution. It is free to download and use. Background information about the calculator is available here.