Why did Austin and vanessa break up?

Answer 1

Their busy schedules and the distance between them caused their breakup. In addition, the excessive female attention Zac received made Vanessa upset.
They are dating! they are soo cute together too,
they didnt break up they r getting married soon

Yes! They are. Recently the 26/9/09 on Today FM Radio show. Kyle and Jackie-O stated that Zac and Vanessa are going there own way. It wasn't working out for the couple so they simply ended it. The couple which met on the site of HSM in 2006 had a 3 year relationship. Fans all over the world are dissapointed but it's their life and you wouldn't like someone controlling your life. Zac and Vanessa weren't meant for each other and they will find someone else. Unless they find it in there hearts to love each other again.
According to Pop Star Magazine, Vanessa Hudgen and Zac Efron call it quit. The couple which people have known together for so long after they meet each-other at the movie, High School Musical call it quit on Monday, which is December 13, 2010. According to the Pop Star Magazine, Vanessa told Zac they can't continue in the relationship again, so she call it quit. Though am sad that they just end it like that but i hope they come back together. Now, ZAC is back in the market.
Zac Efron and Vanessa Hudgens also known as Zanessa, are still dating. There have been rumors saying after Vanessa's shocking and bare photos, Zac decided to break up with her, but others say after the photos Zac became even more attracted to her. But, neither are true. Zac and Vanessa are still together.
they are back together
Zac and Vanessa have once broke up. but then they both said sorry to each other now they are dating again. GO ZANESSA!!!!!!!!!!!!!!!!!!!!!!

Maybe you don't ever know whats really going to happen.

They were never actually together. It was just in the movie, and outside of it was just for publicity.
yes they did, i am not sure why, but they did
that what people are saying
YES, they are. They were never married also!
Yes
yes
yes!!!!!!!!
They Didn't really break up because they're still engaged but it's not really possible to break up, and don't think they broke up girls I already know how it feels to be dumped and I'm in elementary school though alright boys and girls if you think Zac said a rumor probably not because Vanessa is really tough Zac will soon want her back when she gets engaged to someone else!!!!!!!!!!!
I think their not together anymore
According to Vanessa's best friend Ashley Tisdale, Vanessa and long-time boyfriend Zac Efron will not break up. "I had to ask Vanessa if they really broke up, but they didn't! I am so happy that they did not break up! That is so sweet!"

According to Vanessa's best friend Ashley Tisdale, Vanessa and long-time boyfriend Zac Efron will not break up. "I had to ask Vanessa if they really broke up, but they didn't! I am so happy that they did not break up! That is so sweet!"
Vanessa and Zac broke up because Vanessa said she can't continue in the relationship again. So she call it quit.
no

Answer 2

they broke up by arguing

Answer 3

that's really none of anyones business!!!

Answer 4

As of June 2016, they are still together.

Answer 5

It's their personal matter