Efforts by the Haines School to get all its students up to grade-level proficiency for reading by the third grade will include bringing in a specialist from Houghton Mifflin Harcourt later this month, principal Cheryl Stickler told the school board Tuesday.

About 85 percent of Haines third-graders meet proficiency standards, but the district’s goal is 100 percent. That’s in part because students who fall behind in reading in the lower grades begin failing other subjects…