| Achievement | How to unlock |
| Beautiful Harmony (20 points) | Score over 750,000 on any song in Duet mode.
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| Big Stake Battle (20 points) | Score over 750,000 on any song in Versus mode
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| Bop To The Top (50 points) | Get the top score on any song.
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| Breakin' Free (30 points) | Complete all High School Musical songs.
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| Dynamic Duet (50 points) | Complete every song in the tracklist in Duet mode
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| Graduated! (30 points) | Complete all High School Musical 3 songs.
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| Head To Head (10 points) | Complete a song in Versus mode.
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| Head's In The Game (50 points) | Hit a X4 multiplier.
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| Hey! Big Scorer (100 points) | Score over 750,000 on 20 songs.
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| In This Together (10 points) | Complete a song in Duet mode.
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| Natural Performer (50 points) | Hit 75% of the notes of any song in You're On Your Own mode.
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| Party Starter (10 points) | Complete a song in Team Play mode.
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| Perfect Team (100 points) | Score over 1,000,000 in a duet.
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| Rackin' Up The Points (30 points) | Score over 750,000 on 10 songs.
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| Show Time (10 points) | Perform a solo gig.
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| Show Time Double (10 points) | Perform a gig with 2 players.
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| Sing It Fanatic (50 points) | Complete 50 songs.
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| Sing It Superstar (50 points) | Complete every song in the tracklist in Solo mode.
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| Sing It uber-fan (100 points) | Complete 100 songs.
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| Singing Without A Net (10 points) | Complete a song in You're On Your Own mode.
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| Top Billing (20 points) | Score over 750,000 on any song in Solo mode.
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| Vocal Pro (10 points) | Complete all the lessons in Sing It Pro.
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| You Got What It Takes (50 points) | Score over 500,000 on 20 songs.
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| You're a Professional! (100 points) | Score over 1,000,000 on any song in Solo mode.
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| You've Got The Music In You! (30 points) | Complete all High School Musical 2 songs.
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