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Modern Family star Nolan Gould has revealed that he graduated from high school over the summer and is preparing to take college courses -- at age 13!

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Gould -- who portrays the dim-witted Luke Dunphy on the hit ABC comedy -- is actually a member of Mensa in real life, with a reported IQ of 150. 

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"Over the summer, I did a lot of studying. I took an exam and tested out of high school," he told Ellen DeGeneres during a recent appearance this week on her show. "So I'm hopefully going to go on and do some online community college courses.

Watch the clip to also see Nolan demonstrate his skills on the banjo, which Ellen gave him as a gift during his last appearance on the show.

VIDEO: Modern Family Star Nolan Gould's Run-In with George Clooney