Real age of Miranda Cosgrove in School of Rock
In the movie School of Rock, Miranda Cosgrove was:
9 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie School of Rock was released:
January 1, 2003
And the day in which Miranda Cosgrove was born:May 14, 1993
Since movies usually don't take more than one year to be released since the beginning of the filming process, Miranda Cosgrove may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.