Lincoln Middle School is a middle school in the Deering Center neighborhood of Portland, Maine. The school is located on Stevens Avenue, which has the unusual distinction of having an elementary school, middle school, two high schools, and a college all situated on it. The new principal of the school as of the 2014–2015 school year is Suellyn Santiago who was the assistant principal and a math teacher previously. Lincoln Middle school is divided into houses, 2 for each grade (6,7,8). The students at Lincoln primarily come from three of Portland's many elementary schools, Riverton, Hall, and Longfellow, which is also located on Stevens Avenue. The mascot of Lincoln Middle School is the Lion.