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Lake Harbor Middle School
Test scores
LEAP 2025 2023-24 . % Mastery+BeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Lake Harbor Middle School
As a mid-tier middle-grades school in Mandeville, Louisiana, Lake Harbor Middle School enrolls 582 students from grades 4 through 6, run under St. Tammany Parish. Enrollment runs roughly 32% larger than the state mean of about 440.
Across the 55 schools in St. Tammany Parish (35,956 students total), Lake Harbor Middle School accounts for its share of the district's footprint.
In terms of who attends, Lake Harbor Middle School records that the largest single group is White, at 77% of enrollment. Beyond that, the school lists 10% Black, 7% Hispanic, 4% multiracial. Compared to St. Tammany Parish overall, the school's racial mix sits in roughly the same range.
On the resource side, Lake Harbor Middle School lists 44 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.3:1. That figure is tighter than the state norm's 41.0:1 average. An estimated 28% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against St. Tammany Parish (around 44%), the school's rate is noticeably below typical.
With demographic context factored in, Lake Harbor Middle School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 63.7%; this one delivers 66.3%.
In the surrounding community, census data for St. Tammany Parish shows median household earnings sit near $81,202, about 38% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 9%. Lake Harbor Middle School is one of 56 public schools in St. Tammany Parish (combined enrollment of about 36,212 students).
The closest other public school is Magnolia Trace Elementary School, roughly 0.1 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 7 schools in that immediate cluster with test data (this one included), Lake Harbor Middle School ranks 1st on composite proficiency, ahead of the local average of 59.6%.
Lake Harbor Middle School operates from an outer-ring location.
Looking at the recent track record. Lake Harbor Middle School's enrollment has edged down 11% since 2018, when it stood at 652 (now 582). The student-to-teacher ratio pulled in from 20.5:1 in 2018 to 13.3:1 today.
Within the allk12 community for this school, the page collects discussion, questions, and updates around fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.
St. Tammany Parish at a glance
View full county profileQuick facts
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