You probably mean: What prefixes can you add to "school"?
The choices are quite few in number: "preschool", "reschool" (a verb), and "unschooled" (an adjective).
Rather than prefixes, "school" usually goes with unconnected adjectives, such as
dancing school, elementary school, engineering school, electronics school, graduate school, grammar school, high school, Latin school, medical school, military school, music school, etc.
I once saw a crazy sign that said "Preschool Learning Center".
What's that? It is a "preschool school".
"Possibility" doesn't have a prefix. You could add the prefix im- to it to make the word impossibility.
"Patients" doesn't have a prefix. You could add the prefix in- to it to get the word inpatients.
The current prefix is im-. You could add the prefix un- to it to make the word unimportant.
You could add the prefix sur- to it to make the word surround.
Coefficient
The prefix you can add to charge is "re-," as in "recharge."
inaddable. The prefix in is used and also the suffix Able.
Add (something) at the beginning as a prefix or introduction.
"Im" is a common prefix in itself, you don't add a prefix to a prefix.
In the word "inform", in- is a prefix. You could add the prefix mis- to it to get misinform.
To add a prefix to the word "definitely," you could use "in-" to form "indefinitely."
The correct prefix to add to "fashionable" is "un-", resulting in "unfashionable."
You could add the prefix af- to it to make the word affluent.
dinutrition
"Possibility" doesn't have a prefix. You could add the prefix im- to it to make the word impossibility.
The prefix you can add to "conspicuous" is "in-" to form the word "inconspicuous," which means not easily noticeable or attracting attention.
"Patients" doesn't have a prefix. You could add the prefix in- to it to get the word inpatients.