Lyman Moore Middle School is a middle school (grades 6th 7th and 8th) located in Portland, Maine and administered by the Portland Public Schools. The school's current principal is Lee Crocker and the assistant principal Cynthia Loring. Approximately 650 students are enrolled each year. Lyman Moore is located in the North Deering neighborhood of Portland. Middle school (also known as intermediate school or junior high school) covers a period of education that straddles primary education and secondary education, serving as a bridge between the two. ... Portland is the largest city in the U.S. state of Maine, with a 2004 population of 63,882. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The North Deering neighborhood is the northernmost neighborhood within the city of Portland, Maine. ... Portland is the largest city in the U.S. state of Maine, with a 2004 population of 63,882. ...