There are about 2000 kanji characters to learn just from Elementary to Middle school
Between grade school and jr. high they teach about 2000 kanji characters
"漢字だけでも小学校と中学校で約二千個勉強します"は｢There are about 2000 kanji characters to learn just from Elementary to Middle school｣と表現できますね｡こちらの例では｢Elementary school｣で"小学校"､｢Middle school｣で"中学校"と表し「from ○○ to～」を入れることで"○○から○○～"と表現し"小学校から中学校まで"と表現してます。｢to learn｣は"学ぶ､勉強する"と意味になります。"漢字"は英語でもそのまま｢kanji｣と言い表し「character」はこの場合では"文字"という意訳になります。
次の例は小学校と中学校の表現を変え「grade school 」で小学校、「jr. high」で中学校と表現しています。
We learn 2,000 kanji characters in elementary and middle school.
In elementary and middle school, we learn 2,000 kanji characters.
Notice that within these two sentences that we can have movement within the clauses while still maintaining the same meaning. We can either put the phrase, "in elementary and middle school," at the beginning or end of the sentence.
In Japan, we learn approximately 2000 kanji characters before high school.
You are explaining that you learn 2000 Kanji characters when you are younger. Often you go to elementary and middle school before you go to highschool.
We learn roughly 2,000 kanji characters during our elementary and middle school years.
From Elementary school through Middle school we learn around 2,000 kanji characters.
"We learn roughly 2,000 kanji characters during our elementary and middle school years."
Roughly - another way to say approximately.
During - Throughout those years of school.
"From Elementary school through Middle school we learn around 2,000 kanji characters."
From - This indicated the starting point. You began learning Kanji in Elementary school.
Through - From point a (elementary school) till you finish at point b (the end of middle school.)
Around - similar to roughly, and approximately
Hiragana and Katakana are only introduced once we have mastered at least 2000 Kanji characters from elementary through to middle school.d this excludes Hiragana and Katakana.
We are taught 2000 Kanji characters from elementary through to middle school and this excludes Hiragana and Katakana.
1. Hiragana and Katakana are only introduced once we have mastered
at least 2000 Kanji characters from elementary through to middle school.
This means that approximately 2000 Kanji characters are first taught to
young Japanese students up until middle school. Once they are familiar
with this (have mastered this), Japanese language teachers slowly
introduce the other two types of characters, viz. Hiragana and Katakana.
2. We are taught 2000 Kanji characters from elementary through
to middle school and this excludes Hiragana and Katakana.
This means that Japanese language teachers focus solely on Kanji
for the first few years of school and only thereafter are Hiragana and
Katakana introduced.
We learn about 2000 kanji characters in elementary and middle school
By the end of middle school we have learnt about 2000 kanji characters
We learn about 2000 kanji characters in elementary and middle school - "To learn" is a verb that indicates gaining knowledge about something.
By the end of middle school we have learnt about 2000 kanji characters - "By the end of..." means that at the time of finishing. British English uses "learnt" in this context, whilst American English would use "learned", so either is correct.
Before we finish middle school we know approx 2,000 kanji characters, not including hiragana and katakana.
We learn about 2,000 kanji characters alone, before high school.
2,000 is an approximation. You can shorten this to 'approx' or replace it with less formal vocabulary, such as 'roughly / about / around '.
If this is factual then the above sentences are appropriate. If this is something you are saying with pride then you may add, 'Can you believe that...' or 'it may surprise you to know...' to the beginning of the sentence.
アメリカ合衆国 
ニュージーランド 
南アフリカ 
イギリス 
