Oakdale High School is a public high school located in New Market, Maryland, United States, near the city of Frederick.

It is part of the Frederick County Public Schools system.

The school's building was built in 2008 to temporarily hold Linganore High School while Linganore's original building was being renovated.

[4] In the 2011–2012 school year, an eleventh grade was added, and finally, the next year, Oakdale had in its attendance all four grades.

[4] The first senior class from Oakdale graduated in June 2013.