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High School Dropouts

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The official start of summer is only days away meaning one thing…school's out!

As many high school and college seniors celebrate their graduation, some of the biggest and most successful stars in Hollywood can't say they've experienced the same accomplishment.

From A-list actors including Tom Cruise, Nicole Kidman and Johnny Depp to music superstars such as Harry Styles, Avril Lavigne and Eminem, many wealthy and talented celebrities have found great success despite dropping out of school.

As summer vacation heats up, take a look at the surprising stars who never received a high school diploma.