There are huge differences between the U.S and Japanese education systems.
Japanese schools are very different from America's.
何かと何かの違いを言いたいとき、
difference between A and B
「AとBの間の違い」
という言い方を使うのがとても便利です。
There are huge differences between the U.S and Japanese education systems.
「アメリカと日本の教育システムにはとても大きな違いがあります」
※There is/are「～があります」
※huge「大きい」
次のように
A is different from B
「AとBは異なる」
という言い方を用いてもいいですね。
Japanese schools are very different from America's.
「日本の学校とアメリカの（学校）はとても違っています」
ご参考になれば幸いです。
There is a huge difference between the Japanese and American schooling system.
There is a big difference between schools in Japan and the US.
Schools in Japan are different from those in the US.
When you want to explain that schools in Japan are very different from the ones in the US; then you may express this in the following ways:
-There is a huge difference between the Japanese and American schooling system.
-There is a big difference between schools in Japan and the US.
-Schools in Japan are different from those in the US.
日本の学校がアメリカの学校と大きく異なることを伝える言い方です：
例文
-There is a huge difference between the Japanese and American schooling system.
（日本とアメリカの学校制度には大きな違いがある）
-There is a big difference between schools in Japan and the US.
（日本の学校とアメリカの学校には大きな違いがある）
-Schools in Japan are different from those in the US.
（日本の学校はアメリカの学校とは違う）
There is a marked difference between Japanese and US schools
A Marked Difference means that there is a significant variance or noticeable distinction between two things. It may be necessary to further identify exactly what these differences are.
"A Marked Difference"とは「著しい違い」「明白な違い」という意味です。この違いが何なのかより具体的に言う必要があるかもしれません。
There's a big difference between Japanese and American schools
There's a huge difference between the Japanese and American school system
The education systems in Japan and America are totally different
The great thing about the English language is the ability to express nuance. To say there is a big difference is not so dramatic as saying there is a huge or vast difference which would infer very little similarities. However, to say "totally different" would mean no similarities. Depending on your opinion, you can use adjectives such as big, huge, massive, vast and so on.
英語の素晴らしいところはニュアンスを伝えられるところです。
"there is a big difference"は"there is a huge/ vast difference"ほどドラマチックな言い方ではありません。"there is a huge/ vast difference"は類似点がほとんどないことを表します。
一方、"totally different"は、類似点が全くないという意味合いです。
自分の意見に応じて、"big"、"huge"、"massive"、"vast"などの形容詞を使うことができます。
There is a massive difference between schools in Japan and schools in the US.
There is a very big difference between schools in Japan and schools in the US.
The two sentences you see provided above are excellent ways to express to your listener that the schools in the US and the schools in Japan have huge differences. In the first sentence you will notice the word massive. This word means very big or huge. This is a word that is common in our everyday conversation and it would make a great addition to your vocabulary.
There is a huge difference between schools in Japan and America
The schools in Japan and America are greatly different
Japanese schools are very different between American schools
If you want to explain that Japanese schools are very different from American ones then you would use the terms 'Greatly different', Hugely different or very different'
So you could say 'There is a huge difference between schools in Japan & America'
日本の学校とアメリカの学校に大きな違いがあることを説明する場合、「大きく異なる」という意味の”greatly different"、”hugely different"、”very different"というフレーズを使います。
例：There is a huge difference between schools in Japan and America.
（日本とのアメリカの学校には大きな違いがあります。）
There are big differences between schools in the US and Japan
Schools in Japan and the US are hugely different
There is a lot of variation between schools in the US and Japan
Massive, enormous, huge, vast could also be used to mean large in this context.
You could also use the phrase 'pertinent differences' if those differences were particularly significant for the point you are trying to make.
You could continue your speech by explaining what the differences are.
' Such as ...'
'These are ...'
'Because ...'
この場合、大きいという意味で、'massive'や'enormous'、'huge'、'vast'も使うことができます。
また、その主張の核となる違いについて言う場合には、'pertinent differences'（関係する違い）というフレーズも使えます。
'Such as ...'（～のような）
'These are ...'（これらは）
'Because ...'（なぜなら）
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