special admission quota for working adults
Used in university admissions to refer to a special selection process or reserved slots for non-traditional students, typically those with work experience or older applicants.
He entered graduate school through the special quota for working adults.
This university has an entrance exam system for working adults.
社会人 means 'working adult' or 'member of society'; 社会人枠 is the specific admission category for such individuals.
一般入試 is the regular entrance exam for traditional students, contrasting with the special 社会人枠.
Compound of 社会人 (shakaijin, 'working adult') and 枠 (waku, 'frame' or 'quota'), referring to a reserved category for non-traditional students.