This is the 13118th most frequent Russian word.
медколледжах
"Med colleges" (medical colleges).
Here, 'медколледжах' is used as a locational noun, referring to 'medical colleges' where certain activities (studying) take place.
В медколледжах учатся будущие медсестры.
In medical colleges, future nurses study.
In this sentence, 'медколледжах' identifies the origin or affiliation of the students, who are linked to these institutions.
Студенты в медколледжах проходят практику в больницах.
Students from medical colleges undergo internships in hospitals.
The word 'медколледжах' here describes the institutions offering specific services, that is, quality education.