EVERGREEN PARK, Ill. (CBS) — Students in Evergreen Park were headed back to school on Monday, after missing eight days of classes due to a teachers’ strike.

The teachers and Evergreen Park School District 124 reached a tentative agreement early Friday, and hashed out the details later in the day.

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The contract must be ratified by rank-and-file teachers, but District 124 officials said they’re optimistic the deal will be approved.

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About 150 teachers and 60 support staff at District 124 – which includes five elementary and junior high schools – had gone on strike on Oct. 2, after more than six months of negotiations. The previous contract expired on June 30.

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Meantime, about 350 teachers and staff in North Shore School District 112, in Highwood and Highland Park, planned to rally Monday afternoon, amid efforts to reach a last-minute deal to avoid a strike there. The North Shore Education Association has threatened to go on strike on Tuesday if an agreement isn’t reached by then.