Ellicott City parents? requests for changes to a Mount Hebron High School renovation plan have driven up theestimated cost from $54 million to more than $57 million.

“I think the school system considered and evaluated the concerns we identified and made an attempt to resolve them,” said Linda Dombrowski, member of Help Mount Hebron, a PTA subgroup consisting of parents, teachers and students that has been advocating for changes to the school.