Best watch order for High School Musical!

Title: High School Musical
Original Title: High School Musical

Release Date: 2006-01-20
Director:
Chronology:
Production Company: Salty Pictures
Runtime: 98 minutes
Links: Website - IMdb

Title: High School Musical 2
Original Title: High School Musical 2
It's time 2 celebrate!
Release Date: 2007-08-17
Director:
Chronology:
Production Company: First Street Films
Runtime: 108 minutes
Links: Website - IMdb

Title: High School Musical 3: Senior Year
Original Title: High School Musical 3: Senior Year
The musical experience of a generation becomes a motion picture event
Release Date: 2008-10-11
Director:
Chronology:
Production Company: Walt Disney Pictures
Runtime: 112 minutes
Links: Website - IMdb