SWAMPSCOTT – The only three contested races in the April 29 town election are for the Board of Selectmen, School Committee and the Board of Health.Tuesday, the ballot order was drawn and candidates for the Board of Selectmen will appear on the ballot in the following order: Mathew Strauss, Robert Mazow and Jill Sullivan.School Committee members Daniel Yaeger and Shelley Sackett are not running for re-election so their seats are up for grabs. In the School Committee race, Maureen Thomsen grabbed the top spot on the ballot and Glenn Paster the second.For the Board of Health seat, Martha Dansdill drew the number spot on the ballot followed by Marianne Sperenza-Hartmann.Moderator Martin Goldman is running unopposed for re-election. Incumbent Eugene Barden is running for another five-year term on the Planning Board and Jones Patrick is running unopposed for a one-year term on the Planning Board. Incumbent William Sullivan is running unopposed for the Board of Assessors. Richard Callahan is running for a seat on the Housing Authority and Jonathan Penyack is running for library trustee.