Here are some random selections. Have a look and assess how good they are. Students – you may not be able to access some of them while you are at school. If so just skip to another one.
http://sportingjournal.com.au (Australian teenage sports reporter)
http://rdart.tigblog.org/ (Rob Dart’s blog about his overseas volunteer work)
http://skekyl2011.global2.vic.edu.au (random student blog about AFL)
http://charliemcdonnell.com (young English blogger / youtuber and musician)
http://chloe95219.global2.vic.edu.au (student blog from Hawkesdale)
http://huzzah.edublogs.org (grade 6/7 blog from Canada)
www.footytragic.com (AFL Dream Team blog)
Also there are a stackof other student blogs that can be found here.