About
Kshitij Biradar is a high school senior at BASIS Independent Fremont (Class of 2027) and the founder of PrepFriend.com, an AI-powered SAT preparation platform. What started as his own search for smarter, more personal SAT prep became a platform with video lessons, topic-based practice questions, full-length tests, personalized recommendations, and performance analytics, plus the PrepFriend101 YouTube channel.
Beyond PrepFriend, Kshitij is a student researcher studying antibiotic resistance, a national-level science competitor, and the author of a forthcoming popular-science book on how bacteria outsmart the medicines that saved us.
PrepFriend.com
Founder & Developer
Grade 11 – 12
- Built PrepFriend.com, an AI-powered SAT prep platform offering video lessons, topic-based practice, full-length tests, personalized recommendations, and performance analytics to help students find and fix weak areas.
- Created the PrepFriend101 YouTube channel with 150+ high-quality SAT video tutorials and thousands of views.
- Born from his own prep: after finishing the SAT, he turned everything he learned into a tool for the students coming behind him.
Research
Antibiotic Resistance Research — Research Lead
Headwaters Research Institute · Grades 10 – 12
- Designed and ran a study on how the frequency of human contact drives antibiotic resistance in bacteria, using Kirby-Bauer testing on cultures grown from high-contact public surfaces.
- Currently writing The Invisible War, a popular-science book on how bacteria outsmart the antibiotics that saved us.
COSMOS, University of California, Irvine
Grade 11
- Designed an independent experiment on how bacteria respond to changing environments, using dilution and spot-titering techniques; presented findings to 300+ professors and parents.
Pre-Medicine Summer Program, UC Berkeley and UCSF
Grade 9 · 80 hours
- Learned clinical fundamentals including CPR and patient monitoring.
- Attended lectures on medical procedures and the healthcare system.
Leadership
- Quiz Bowl — Founder & Captain: founded his school's team, captained five players to Nationals, and grew the club to 20+ students.
- USA Biology Olympiad Club — President: leads weekly biology lectures for 20+ peers and writes study guides; four members reached the USABO semifinals.
- Model United Nations — VP of Conference Preparation: leads 8 officers and built the rubric used to score 150 position papers.
- Science Olympiad — Secretary; Science Bowl — Captain (Biology Specialist).
- Teens in Health — Co-Organizer: co-ran research summits at UC Berkeley for 65+ students.
Service
- Audacity Academy (750 hours): three-time PVSA Gold recipient; organized 20+ park and trail cleanup trips; tutored middle schoolers; led a College Board SAT bootcamp; gave community health-awareness presentations.
- Sutter Health (Palo Alto Medical Foundation, 120 hours): volunteer who supported the patient experience through wayfinding and operational assistance, and helped staff with logistics and supply management.
- Golden Harbor Healthcare (100 hours): physical therapy rehab aide who assisted with senior physical therapy and patient care, and built relationships with patients to support their treatment.
- UCSF Cancer Center, Think Like a Cancer Scientist Program (Grade 11, 20 hours): attended lectures about cancer treatment procedures and networked with professors and professionals across the UCSF network.
- Physician, surgeon, dental and optometry shadowing: in physician and surgeon shadowing, observed patient consultations, diagnostic evaluations, and clinical decision-making while learning how physicians assess symptoms and develop treatment plans; in dental, helped with clinic workflow, sterilization and patient preparation; in optometry, kept patient records and analyzed Optomap retinal scans for 20+ patients over one month.
Honors
- National Merit Semifinalist
- USABO Semifinalist
- 2x British Biology Olympiad Silver
- Canada National Biology Top 50
- NPFC 3rd Place, Nationals
- 2x NAQT National Qualifier
- Stanford MUN Best Position Paper
- 2x AP Scholar with Distinction
Education
BASIS Independent Fremont
Fremont, California · Class of 2027