Helen M. King Middle School is an expeditionary learning public middle school located in Portland, Maine and administered by the Portland 51³Ô¹ÏÍøºÚÁÏ. The school's current principal is Amy Marx.
Serving 442 students in grades 6-8, King Middle School ranks in the bottom 50% of all schools in Maine for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 26% (which is lower than the Maine state average of 49%). The percentage of students achieving proficiency in reading/language arts is 77% (which is lower than the Maine state average of 84%).
The student-teacher ratio of 9:1 is lower than the Maine state level of 11:1.
Minority enrollment is 62% of the student body (majority Black), which is higher than the Maine state average of 14% (majority Black and Hispanic).
Quick Facts (2025-26)
- Grades: 6-8
- Enrollment: 442 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 62%
- Overall Testing Rank: Bottom 50% in ME
- Math Proficiency: 26% (Btm 50%)
- Reading Proficiency: 77% (Btm 50%)
- Science Proficiency: 35-39% (Top 50%)
- Source: National Center for Education Statistics (NCES), ME Dept. of Education
Top Rankings
King Middle School ranks among the top 20% of public schools in Maine for:
Category
Attribute
Diversity
Percent Eligible For Free Lunch
School Overview
King Middle School's student population of 442 students has declined by 11% over five school years.
The teacher population of 48 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
442 students
Gender %
Total Classroom Teachers
48 teachers
Year Founded
1992
School Calendar
School Rankings
King Middle School ranks within the bottom 50% of all 500 schools in Maine (based off of combined math and reading proficiency testing data).
The diversity score of King Middle School is 0.70, which is more than the diversity score at state average of 0.26. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#464 out of 500 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
26%
49%
Reading/Language Arts Test Scores (% Proficient)
77%
84%
Science Test Scores (% Proficient)
35-39%
37%
Student-Teacher Ratio
9:1
11:1
American Indian
n/a
1%
Asian
4%
1%
Hispanic
16%
3%
Black
37%
5%
White
38%
86%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
41%
33%
Eligible for Reduced Lunch
20%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ME Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is King Middle School's ranking?
King Middle School is ranked #464 out of 500 schools, which ranks it among the bottom 50% of public schools in Maine.
What schools are King Middle School often compared to?
King Middle Schoolis often viewed alongside schools like Lincoln Middle School, Lyman Moore Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
26% of students have achieved math proficiency (compared to the 49% ME state average), while 77% of students have achieved reading proficiency (compared to the 84% ME state average).
How many students attend King Middle School?
442 students attend King Middle School.
What is the racial composition of the student body?
38% of King Middle School students are White, 37% of students are Black, 16% of students are Hispanic, 5% of students are Two or more races, and 4% of students are Asian.
What is the student-teacher ratio of King Middle School?
King Middle School has a student ration of 9:1, which is lower than the Maine state average of 11:1.
What grades does King Middle School offer ?
King Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is King Middle School part of?
King Middle School is part of Portland School District.
In what neighborhood is King Middle School located?
King Middle School is located in the Valley Street neighborhood of Portland, ME.
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