Is nearly 5'5 too tall for a 12 year-old boy?

Though kid brother is already slightly taller than my mother (she's 5'4), I'm wondering if his growth spurt is normal or kind of accelerated? He still obviously looks like a kid but is slim, yet heavy.

Information:
Mother: 5'4
Father: 5'11
Me: 5'7

Also both my parents stopped growing during their early teen years while I was nearly 18 when I stopped.
Is nearly 5'5 too tall for a 12 year-old boy?
Post Opinion