Currently, there are two official languages in Israel: Hebrew and Arabic. English, which has semi-official status, is used extensively at all levels of society.
Arab children in the Gaza and west bank study Arabic, as for why they don't learn Hebrew check out this site.
http://www.pmw.org.il/schoolbooks.html
http://www.theprismgroup.org/articles/palestinian_children_what_are_they_being_taught.html
Examples of Incitement in Gaza and west bank Textbooks
"There is no alternative to destroying Jerusalem,"[54]
"The return of the Jews to Palestine and permitting them to establish a Jewish state contradicts history."[55]
"The book is dedicated to . . . ‘those who are battling for the expulsion of the enemy from our land!"[56]
" . . . There will be a Jihad [Holy War] and our country shall be freed. This is our story with the thieving conquerors. You must know, my boy, that Palestine is your grave responsibility."[57]
"Remember: The final and inevitable result will be the victory of the Muslims over the Jews."[58]
"Exercise: Distinguish between verb and noun clauses: ‘The land is our land and Jerusalem is ours."[59]
"The honorable soul has two objectives: Achieving death and honor."[60]
"The Martyr rejoices in the paradise that Allah has prepared for him . . ."[61]
"The Jews claim that this is one of the places belonging to them and call it ‘The Western Wall,’ but this is not so."[62]
"Racism: Mankind has suffered from this evil both in ancient as well as in modern times, for, indeed, Satan has, in the eyes of many people, made their evil actions appear beautiful . . .Such a people are the Jews."[63]
"Lessons to be learned: One must beware of the Jews, for they are treacherous and disloyal."[64]
"Subject for Composition: How are we going to liberate our stolen land? Make use of the following ideas: Arab unity, genuine faith in Allah, most modern weapons and ammunition, using oil and other precious natural resources as weapons in the battle for liberation,"[65]
". . Martyred Jihad fighters are the most honored people, after the Prophets. ."[66]
"The clearest examples of racist belief and racial discrimination in the world are Nazism (sic) and Zionism"[67]
It's in the site I provided
http://www.theprismgroup.org/articles/pa...
OPEN UP YOUR EYES AND SEE