High School Musical is the soundtrack of the Disney Channel Original Movie of the same name. Recorded in five days, it was released on 10 January 2006, and became the best selling album of that year, having sold more than 3.7 million copies in the US and 7 million copies worldwide. As of January 2016, the album has sold 5,000,000 copies in the US, making it the best-selling TV soundtrack since 1991 when Nielsen SoundScan started tracking music sales.

* Are not on the first disc of the two-disc special edition version.

** Drew Seeley sang in several of the songs, his voice being mixed with Zac Efron's. He originally was not given credit for singing.

On May 23, 2006, the same day the DVD was released, Walt Disney Records released a special edition of the High School Musical album featuring a bonus disc with eight karaoke tracks of the High School Musical numbers.

For a limited time, Wal-Mart retailer stores only released an exclusive two-disc collector's edition of High School Musical. It included the soundtrack and the bonus DVD. The collector's edition is now available in the Philippness on the same release date of the soundtrack of High School Musical 2 after Universal Music Limited became the newest licensee of Walt Disney Records in the said country. It includes:

^*sales figures based on certification alone
^{^}shipments figures based on certification alone

The album has been rerecorded and released in international versions with foreign language lyrics in some countries.

International versions have also been released for individual singles.

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