WALES — Voters passed all 16 articles on the Regional School Unit 4 warrant Wednesday night, sending the $18.61 million budget to a validation referendum next week.

Residents and school and town officials from Sabattus, Litchfield and Wales debated the proposed spending plan for nearly three hours in the Oak Hill High School gymnasium.

The budget for 2015-16 is $496,084 more than this fiscal year.

It will be voted on Tuesday, June 9, at the following polling stations: Sabattus Town Hall, 190 Middle Road; Litchfield Sportsmen’s Club, 2782 Hallowell Road; and Wales Town Office, 175 Centre Road. Polls will be open from 8 a.m. to 8 p.m.