Fool, drool, tool, rule.
One word that rhymes with "school" is "cool."
you'll rhymes with cool
The contraction "you'll" rhymes with "cool."
The word "lean" fits your criteria as it means cool and rhymes with green.
Polluted? I don't know, im not that good with rhymes
You'll.
cool dust
crule beems
School.
"you can be the witness"
Pool- Measure the litres inside it Cool- Measure how cool you are
mcjagger is cool