About 20 upper valley residents and others made an enthusiastic appeal for keeping Mosquito Lake School open Tuesday, saying the Haines Borough School District’s goal of enrolling 10 students there might be met by expanding the K-4 school’s class range, improving “marketing” or transforming it into an alternative school.

Those options may involve busing students from town to the school at 27 Mile. School superintendent Michael Byer said an arrangement for busing may be possible…