Answer:
Should soda be offered in school cafeterias?
Should schools teach abstinence-only education?
Why should schools teach financial literacy?
Do all students need to go to college?
Should students take a gap year after high school?
Do all students need to learn a foreign language?
Answer:
He's right, it's five.
Explanation: I just wanted to add this to back him up.
Words that end in<span> -ch, x, s or s-like sounds, however, </span>will<span> require an -es for the </span>plural<span>: .... But note that some inconsistency is acceptable in </span>all<span> but the most formal writing: ...</span>