The youngster sees success with Roberto Martinez's side as the way to gain further opportunities at international level and calls his first senior cap a "great moment"
The teenage midfielder made his first appearance for the Three Lions against Moldova in September, having been called up by manager Roy Hodgson after an impressive start to the season.
And the 19-year-old knows he must continue to perform at the club level if he is to become a permanent fixture in the England ranks.
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"But I'm not really thinking about it at the moment - hopefully if I play well for Everton then I will push into that team and get to Brazil.
"It was a nice surprise to be selected in September's squad. It just shows that hard work pays off.
Barkley admitted to having been anxious during his maiden spell with the national side, but noted the experience continues to help him grow as a player.
"The first two days I'd say there were a lot of nerves but then it settled because it felt like I was meant to be there.
"It's helpful being around different players that I'm not used to - being around big-name players - it's good just talking to them and seeing the way they approach games. It bodes well for future games for me.
"It was unfortunate I just missed out on a goal but it's always good playing for your country.
"To come on for the seniors was a great feeling and a good moment for my family as well."