学生 = written in kanji
がくせい = written in hiragana
gakusei = written in romaji
アメリカ = is what a word written in katakana looks like
If you are trying to learn hiragana, I think you might be on the wrong page. This page is where you learn hiragana and katakana, the page I thought you were talking about:
http://japaneseclass.jp/lessons/kana/January 5, 2015 at 8:39am