The pact will now expire in 2019. Wages will rise for the lowest-paid members to nearly $13 an hour.
The District says it will focus on teacher hiring, a principal search, and making IT upgrades.
The pre-K budget for fiscal year 2017 will be $23.25 million.
In last meeting of school year, it also takes action on several charter matters and codifies the role of School Advisory Councils.
City Council passed the 1.5-cents-per-ounce tax in a 13-4 vote.