The Math Team at Millbury Jr/Sr High School is a member of the Worcester County Math League. Ms. Tarallo is the advisor for the Freshman Math Team, which is open to students in grades 7 through 9. The Varsity Math Team is under the advisement of Mr. Pasceri and is open to students in grades 10 through 12. Students are required to attend practices after school on Mondays from 2 pm to 3 pm, and participate in the the meets hosted by schools in Worcester County. There are also three freshman meets and four varsity meets; transportation is provided. The season runs from September to March.