"enrol into" is correct and usable in written English.
You can use it to indicate that someone is signing up to take part in an activity or course. For example: "I'm planning to enrol into an online art class this summer."
To succeed we must meet a set of specific targets on the number of girls we enrol into school and the progress our children make in English, Hindi and maths.
And, with 15 per cent of people self-employed, we should help these workers enrol into a pension by ticking a simple box on the annual tax return, so that they can benefit from saving and tax relief too.
Relatively, we can also add that students who enrol into private universities are assumed to be coming from families with better income background than those who go to public universities.
Telephone screening will be conducted with people who enquire to enrol into the study.
In such instance, people are unwilling to enrol into the scheme.
All were approached to enrol into the trial and 390 individuals gave written informed consent.
Simply put, if you're more than 22 years old, earn at least £8,105 a year and have been working for three months or more, you will be automatically enroled into your company's existing pension scheme or one that they put in place.
Similar reductions in LIC occurred across all age groups of patients enroled into the trial.
Only 2.5% of the patients enroled into the Euro Heart Survey received treatment with catheter ablation.
A total of 885 breast cancer patients were enroled into a multicentre phase III trial.
Twenty subjects were enroled into the study to allow for dropouts.
