According to the engineering reports the Anchorage School District released the damaged Gruening Middle School and Eagle River Elementary is extensive. The reports were prepared by Anchorage firm BDS Architects, it explained in detailed the cost of repair and what must be fixed in order to reopen.

For more info, please read the original article by ADN.com:
https://www.adn.com/alaska-news/anchorage/2019/03/28/engineering-reports-reveal-extent-of-earthquake-damage-at-eagle-river-schools/