73pctGeek reviewed The Incandescent by Emily Tesh
Perfect for Tesh fans.
A magical boarding school story, but seen through the eyes of an adult in charge. The writing is good with an interesting story, believable characters, and convincing world building. The bits about teaching feel especially realistic.
Even demon-infested (a peeve), I loved the first half, but it fizzled out a little at the halfway mark for me. Losing its spark, it became a little ponderous, and a clever protagonist began making poor decisions. Another peeve is when I can spot something coming chapters well in advance. However, if you like Tesh, I suspect you'll love this.