WordPress Student Data Search Feature

On my current WordPress site every student record loads automatically; I need that changed so nothing appears until a user performs a search. The search bar must let users look up records by Student ID, Name, or Course, and I’d like an additional filter that narrows the results by course type... (Budget: ₹600 - ₹1500 INR, Jobs: Database Management, HTML, JavaScript, MySQL, PHP, WordPress, WordPress Plugin)