From The Lake Forester: Teachers are back in classrooms at Lake Forest (Ill.) High School after reaching a tentative agreement with the school board on a four-year contract. Specifics of the agreement will be presented to the Lake Forest Education Association membership for ratification and then to the school board for approval. It's unclear whether the Illinois State Board of Education will allow the district to count the two days of classes that the district held this week in the teachers' absence.Earlier...from The Chicago Sun-Times: Despite a teachers' strike, Lake Forest (Ill.) High Schoolis open today to students by using a combination of substitute teachers, administrators and professional guest speakers. Each student has received a daily schedule with separate programming for freshmen, sophomores, juniors and seniors. The school in Chicago's north suburbs plans to continue with the outside help until the labor dispute is settled. Teachers have been on strike since Sept. 12.