I don't know how useful these will be, but I hope that they will be of some help and will encourage other RG members to send their responses!
See the below, particularly p.4 - Teachers as mental/emotional health promoters - re the pastoral care section of your question:
Kidger, J., Gunnell, D., Biddle, L., Campbell, R., & Donovan, J. (2009). Part and parcel of teaching? Secondary school staff’s views on supporting student emotional health and well‐being. British Educational Research Journal, 36(6), 919-935.