It serves several villages and hamlets in the North Shore region of Long Island, specifically Glenwood Landing, Glen Head, Sea Cliff, Old Brookville, and parts of Greenvale and Roslyn Harbor.[4] Glenwood Landing Board of Education President William Anderson once explained the situation as "we endure the smoke, let's have the gravy.[10] The construction of North Shore High School was delayed by a lawsuit by Glenwood Landing residents who wanted to undo the district centralization,[9] but it opened in 1957; it, too, was designed by Vincent Kling.[10] In the 1970s, Sea Cliff School was considered to be in such a state of disrepair that there were several proposals to demolish and replace it, but these were consistently defeated by voters.As of 1977, the district had the lowest property tax rate in Nassau County due to the presence of the Glenwood Generating Station.