A growing body of research and publications exists for school-based telehealth. The Northeast Telehealth Resource Center maintains the definitive database, with free access to all.

Recommended search terms: school & school-based
https://netrc.org/resources.php

This NAPNAP article is a great place to start:
https://www.napnap.org/study-reveals-implementation-of-telehealth-in-school-based-health-care-setting-provides-large-beneficial-impact/

SEARCH The Society for Education and the Advancement of Research in Connected Health (SEARCH) started in 2016 as a small team of academics, researchers and clinical professionals. SEARCH has developed into a society with a goal to promote connected health programs through the use of evidenced-based research.

There is a pediatric subgroup with some interest in working with school-based projects.
https://searchsociety.org/

A January 2018 survey of existing programs gives an excellent overview of some models and scopes of care that may be helpful. This was produced by Mathematica Policy Research and AcademyHealth on behalf of CMS.