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A Pleasant Grove teacher has been charged with sexually abusing two 16-year-old girls.

Broch Clyde DeGraff, 27, was a kindergarten teacher and soccer coach at Liahona Preparatory Academy when police allege he had sexual relationships with two students. DeGraff was charged Monday in 4th District Court with one count of first-degree felony forcible sodomy and nine counts of forcible sexual abuse, a second-degree felony.

The charges reveal that police suspect the abuse occurred from October to November of last year with the first victim, and from April to June of this year with the second. Detectives began investigating DeGraff after the girls came forward two months ago.

On Sept. 19, officers arrested DeGraff after detectives and the Utah County Attorney's Office came to believe he intended to flee to Mexico if charges were filed against him. DeGraff is being held in the Utah County Jail in lieu of a $50,000 cash bail.

Liahona Preparatory Academy is a private school for students in kindergarten through 12th grade that provides "core academic classes integrated with a Latter-day Saint gospel base," according to its website.

DeGraff is the son of the school's founders, Brent and Kolleen deGraff, according to the school's spokeswoman, Ganel-lyn Condie.

Condie said deGraff was fired prior to an Aug. 10 parent meeting at the school.

Also Monday, DeGraff's wife filed for divorce. The couple have two children, ages 3 and 1.