Schools have to serve a growing number of diverse populations and have to communicate with everyone. Here is great tool to type letters up to send home. With any translator there is going to be errors but trying to communicate is better than not communicating at all.
Go Check it out... Google Transliterate
Note: This does not translate it transliterates word for word what you type. It will not correct the grammar or sentence structure. For example in the Spanish language adjectives come after the noun and in English the adjectives come before the noun it does not correct for inconsistencies between languages.