The 40-member chamber spent Tuesday plowing through hundreds of proposed amendments to the spending plan.
Among the amendments approved Tuesday was a proposal to provide training to teachers to help make sure every child has access to civics education in Massachusetts.
Many of the amendments addressed local projects - from filling and repairing an orchestra pit in Duxbury to building and maintaining spray pools and splash pads in Lowell.
The budget must be reconciled with a version passed earlier by the House before it can be sent to Republican Gov. Charlie Baker who will have ten days to issue vetoes.
The budget must be approved for the new fiscal year beginning July 1.
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