
The Winchendon School
Program Scout Report
Overview
The Winchendon School stands as a significant and enduring institution in the landscape of New England prep basketball, boasting a rich history since its founding in 1926. This Massachusetts-based program is recognized for its consistent ability to attract and cultivate promising young talent, solidifying its reputation as a respected competitor within the competitive NEPSAC conference. It serves as a vital pathway for high school athletes aiming to develop their skills and pursue collegiate basketball opportunities.
Coaching Staff
Head Coach Alex Popp leads The Winchendon School's basketball program, steering its competitive direction within the NEPSAC. Popp is responsible for fostering an environment conducive to player growth and team success, overseeing the development of a strong roster. His leadership is key to attracting a diverse group of athletes and integrating them into a cohesive and high-performing unit.
Player Development
The Winchendon School demonstrates a clear commitment to player development, evidenced by its current pipeline of highly-touted prospects. Players like Collins Onyejiaka (#83, 2025), Isaiah Langham (#311, 2025), Ryan Altman (#408, 2025), and Reggie Grodin (#440, 2025) are actively developing their games within the program. This showcases the school's capability to prepare athletes for advanced levels of competition and attract significant recruiting interest.
Culture & Academics
The Winchendon School fosters a supportive academic and athletic environment, typical of a well-regarded New England preparatory institution. The school's facilities enable comprehensive training and competition, complementing a robust academic curriculum designed to prepare students for higher education. This holistic approach ensures athletes are developed both on and off the court.
Recruiting Outlook
The recruiting outlook for The Winchendon School remains strong, anchored by a compelling group of current top prospects and a deep roster of 16 tracked players. With talents like Collins Onyejiaka leading the 2025 class, the program continues to draw high-level interest from college scouts. This consistent influx of promising athletes suggests a positive trajectory and sustained competitiveness for The Winchendon School in the coming years.
Analysis by PrepRadar Scouting Team
Coaching Staff

Alex Popp
Head Coach
Alex Popp joins The Winchendon School as head basketball coach, bringing an impressive track record and wealth of experience from various collegiate and prep levels. Previously, Popp led the IMG Academy Academic Post-Grad Team and served as head coach at Vermont Academy from 2014-2020. During his tenure at Vermont Academy, he guided the Wildcats to their first and only NEPSAC AA Championship in 2016, defeating Cushing Academy. His extensive collegiate experience includes roles at Holy Cross, Middlebury College, and Springfield College. Popp's talent development is evident in the three NBA Champions he has coached: Malcolm Miller, Jordan Nwora, and Bruce Brown. He consistently fosters growth and achievement in his athletes, emphasizing a professional and authoritative approach to coaching.
Achievements & Facilities
Championships
- 🏆 NEPSAC competitor
Facilities
The Winchendon School Campus - Winchendon, Massachusetts
Notable Achievements
- • Alex Popp hired 2025
- • Massachusetts prep school
Roster
Class of 2025
Collins Onyejiaka
📍 Boston
Attending: Alabama

Isaiah Langham
Attending: Brown

Ryan Altman
Attending: Pennsylvania

Reggie Grodin
Attending: Penn State
Class of 2026
Brady Sehlhorst
📍 Glenview
Committed: Elon

Bryston Joyce
📍 Rego Park
Ezayi Mauristhene
📍 Milton
Daniel Bussey
📍 Yonkers
Quinn Gibson
📍 Cherry Hill

Jason Grady
📍 Portland