Lakeland High School (LHS), located in Shrub Oak, New York, United States, is a senior public high school serving students in ninth through twelfth grades as part of the Lakeland Central School District. Along with its sister school, Walter Panas High School of Cortlandt Manor, LHS attracts a culturally diverse (70% white[1] ) and talented student body from over 40 square miles (100 km) in northern Westchester County. The school's colors are gold and green, and its mascot is a hornet.

As of the 2014–15 school year, the school had an enrollment of 1,045 students and 77.3 classroom teachers (on an FTE basis), for a student–teacher ratio of 13.5:1. There were 133 students (12.7% of enrollment) eligible for free lunch and 42 (4.0% of students) eligible for reduced-cost lunch.

The Class of 2016 had an unweighted average GPA of 86.31, with a range of 98.35-71.03.

In 2015, a total of 348 students took 715 AP exams, with 60% scoring a 3 (out of 5) or better. There were over 60 AP Scholars.

• T. C. Boyle, author, taught at Lakeland High School from 1968 to 1972
• Jonathan de Marte (born 1993), Israeli-American baseball pitcher
• Melissa González, member of the USA Women's Olympic Field Hockey Team
• Lawrence Lindsay (1972), economist, former member of the Board of Governors of the Federal Reserve, professor at Harvard University
• Jessica Lynn (2008), country music artist
• Bill Roth (gymnast), gymnast
• Herb Trimpe (1957), illustrator responsible for designing the school's mascot

• Lakeland High School website