"enrollment" is correct and usable in written English.
It is typically used in the context of enrolling, or signing someone or oneself up, for a class, program, event, etc. For example, "The enrollment deadline for the program is next Friday."
Exact(58)
* Weight at enrollment.
First stop: school enrollment.
Battles over minority enrollment.
Current enrollment: 90.
Aadhaar would subcontract enrollment.
No. 2 — rapid enrollment.
1 rapid enrollment.
No. 2 rapid enrollment.
The average enrollment is 1800.
Total enrollment exceeds 30,000.
You've submitted your enrollment deposit.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com