File: frontend/src/pages/Students.js\n\nIssue: Filter dropdown missing onChange handler\n\nDifficulty: Medium\n\nWhat to implement:\n1. Add onChange handler to filter select\n2. Pass filter to API query parameters\n3. Filter students by status (active, graduated, etc.)
File: frontend/src/pages/Students.js\n\nIssue: Filter dropdown missing onChange handler\n\nDifficulty: Medium\n\nWhat to implement:\n1. Add onChange handler to filter select\n2. Pass filter to API query parameters\n3. Filter students by status (active, graduated, etc.)