Below is a link to an outside the box resource for looking at efficacy of collaboration: http://measuresofhealth.net/pdf/WholeMeasures_6.pdf
Lower-Basch, Elizabeth. (2014). How Today’s Safety Net Promotes Work – And How To Do More. Washington, D.C.: The Center for Law and Social Policy (CLASP). Retrieved from:
Schaps, E. (2005). The Role of Supportive School Environments in Promoting Academic Success. Getting Results, Developing Safe and Healthy Kids Update 5: Student Health, Supportive Schools, and Academic Success, Chapter 3. Retrieved From: https://www.collaborativeclassroom.org/research-articles-and-papers-the-role-of-supportive-school-environments-in-promoting-academic-success