Lakeridge High School (LHS) is a four-year public secondary school in Lake Oswego, Oregon, a suburb south of Portland.

Of 261 students, 234 graduated, 15 dropped out, nine received a modified diploma, and three were still in high school in 2009.

[6] In 2023, of 906 AP exams administered at Lakeridge had passing scores that year which 446 Lakeridge students took part in, 82.2% received passing scores.

[9] The school received a silver ranking in U.S. News & World Report's 2010 "America's Best High Schools" survey.

[10][11] Lakeridge high school athletic teams compete in the OSAA 6A-5 Three Rivers League.