This is also a career where you can intern as a student (whether still in school, or already graduated) at a zoo near you. In most cases, they should have a student or volunteer program for you to join.
Most zookeeper careers will require a minimum of a College Diploma, but in countries where there is stronger competition for positions or stricter entry requirements, you will need a Bachelor's Degree with a possible major in either Animal Management, Biology, Animal Science, Zoology, Animal Behavioral Sciences, or other related fields.
Here is a link to a good overview of the career, as well as a very detailed list of all the others in animal care:
Here are the basic steps to follow when looking at a career or group of career:
Charl recommends the following next steps:
Should you try to contact the Zoos.
So search on Google all Zoo at least in your region, do a email list, with all emails of Zoos, and 1 by 1 contact them,
ask them if is possible to have some information about this field, and ask them if is possible to do a intership inside their zoo.