School of Rock cast ages: How old was the cast then (and now)?

Jack Black with School Children during "School of Rock" Premiere - Arrivals at Cinerama Dome in Hollywood, California, United States. (Photo by Jeffrey Mayer/WireImage)
Jack Black with School Children during "School of Rock" Premiere - Arrivals at Cinerama Dome in Hollywood, California, United States. (Photo by Jeffrey Mayer/WireImage) /

Jack Black’s School of Rock is one of the best movies ever, and this is not up for discussion. The beloved cult-classic premiered on Oct. 3, 2003, so it’s almost the movie’s 20th year anniversary. Black recently teased a reunion, which I hope we all get to see! After all, the majority of the cast were 10-13 years old at the time the movie premiered. Do you know the School of Rock cast ages then and now?

School of Rock follows Dewey Finn (Jack Black), a rock guitarist who gets kicked out of his own band. Left without a job, Finn takes a substitute teaching gig by posing as his roommate. Finn is only in it for the money, but this changes when he discovers the musical talents of the class and decides to start a band and compete in Battle of the Bands.

The band consisted of Finn and his fourth grade students, so, as you can imagine, the kids are all grown up!

How old is Jack Black in School of Rock?

At the time the movie was released in 2003, Jack Black was 33 years old. The incredible chemistry between Black and the kids is what makes the movie timeless and amazing. Most recently, Black stars as the voice of Bowser in The Super Mario Bros. Movie and will soon return as Po in Kung Fu Panda 4. 

How old is Joan Cusack in School of Rock?

The wonderful Joan Cusack was 41 years old in the movie. In School of Rock, Cusack is principal Mullins, an overworked principal who has not had fun in a long, long while.

How old is Mike White in School of Rock?

Mike White portrayed Ned Schneebly in School of Rock, the one who should have gotten the job as a substitute teacher. White was 33 years old.

How old is Sarah Silverman in School of Rock?

Sarah Silverman plays Patty Di Marco, Ned’s girlfriend who does not approve of his friend Finn. When the movie was released, Silverman was 32 years old.

How old is Miranda Cosgrove in School of Rock?

Besides Jack Black, Miranda Cosgrove, who plays Summer Hathaway in the movie, has one of the most memorable roles in the movie. At the time of its release, Cosgrove was only 10 years old.

How old is Joey Gaydos Jr. in School of Rock?

Joey Gaydos Jr. is Zack Mooneyham aka Zack-Attack! Though Gaydos Jr. has not starred in any other projects since School of Rock at age 12, he did pursue music.

How old is Kevin Clark in School or Rock?

Another memorable kiddo from the movie is Kevin Clark’s Freddy Jones, the drummer. Clark was 14 years old when the movie was filmed. Sadly, Clark passed away in 2021 after being hit by a car a tragic accident.

How old is Rivkah Reyes in School of Rock?

It’s impossible to forget Katie aka “Posh Spice,” the bass player in Finn’s band. Like many of the child actors, Rivkah did not pursue a career in acting after School of Rock, but she did go on to play music.

How old is Robert Tsai in School of Rock?

Last, but not least, we have Robert Tsai, who played Lawrence aka Mr. Cool. The keyboard player was 12 years old when the movie was released.

At the time of this writing, only Pluto TV is streaming the movie for free. So, to watch, you’ll need to rent or purchase the movie on VOD.

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