[5] After graduating from Gabriel Richard Catholic High School in Riverview, Michigan, he pursued a Bachelor of Arts degree in political science and government from Kalamazoo College, which he received in 2014.

"[8] For two years after finishing his bachelor's, Camilleri taught social studies at Consortium College Preparatory High School in southwest Detroit through Teach for America.

[9] Earning the endorsement of – among others – the Detroit Free Press Editorial Board,[11] Camilleri defeated Howey by 323 votes.

[6][12][7] In defeating Howey, Camilleri became the only Democrat in the state of Michigan to take a seat held by a Republican during that election cycle.

He also became Chairman of the PreK-12 School Aid Budget, and was chosen to serve on committees that encompass Elections, Energy, Transportation, and Labor.