Blab Music
From Navy Commander to Music Mentor: Mark Sheffield Leads School of Rock Otay Ranch
From naval decks to drum kits, retired commander Mark Sheffield has turned Chula Vista’s Otay Ranch into a music playground. Since its opening in 2020, the school has blended one‑to‑one instruction with group rehearsals, giving students the chance to perform live as a band.
Sheffield’s own journey began in the U.S. Navy, where he spent more than two decades as a commander. He was deployed five times and spent a year in Iraq, experiences that sharpened his leadership and personnel‑development skills—tools he now brings to the classroom.
After leaving the Navy, Sheffield chose Chula Vista as the base for his new mission. "I dropped it here in Chula Vista," he explained, noting that the community offered the right environment for youth development through music.
The Otay Ranch model departs from traditional music schools. Students receive individualized lessons on their chosen instrument while also participating in group rehearsals. This structure is designed to build confidence, foster listening skills, and teach collaboration.
"Personnel development," Sheffield said, "is one of the biggest lessons I carried from the military." He translates that principle into a culture where music is seen as both an art and a team effort.
At the Otay Ranch location, students explore a wide range of musical styles, rehearse together, and perform before live audiences. The program’s goal is to develop stronger musicianship while also nurturing confidence and teamwork that extend beyond the stage.
Although Sheffield does not play an instrument himself, he stresses the importance of helping others discover their potential. "I love seeing people become what they want to become," he said.
School of Rock is a global franchise with more than 450 locations in sixteen countries, serving over 80,000 students. The Otay Ranch site follows the franchise’s performance‑based model, allowing students of any skill level to join a band and perform in local concerts.
The school’s approach aligns with the broader School of Rock mission: to provide a safe, supportive environment where kids can learn music, make friends, and develop a sense of belonging.
Today, Mark Sheffield continues to guide young musicians in Chula Vista, helping them find confidence, express themselves, and discover their potential—one song at a time. The Otay Ranch school remains open for new students and continues to host rehearsals and performances throughout the year, with no major changes or upcoming events announced.
Sheffield’s own journey began in the U.S. Navy, where he spent more than two decades as a commander. He was deployed five times and spent a year in Iraq, experiences that sharpened his leadership and personnel‑development skills—tools he now brings to the classroom.
After leaving the Navy, Sheffield chose Chula Vista as the base for his new mission. "I dropped it here in Chula Vista," he explained, noting that the community offered the right environment for youth development through music.
The Otay Ranch model departs from traditional music schools. Students receive individualized lessons on their chosen instrument while also participating in group rehearsals. This structure is designed to build confidence, foster listening skills, and teach collaboration.
"Personnel development," Sheffield said, "is one of the biggest lessons I carried from the military." He translates that principle into a culture where music is seen as both an art and a team effort.
At the Otay Ranch location, students explore a wide range of musical styles, rehearse together, and perform before live audiences. The program’s goal is to develop stronger musicianship while also nurturing confidence and teamwork that extend beyond the stage.
Although Sheffield does not play an instrument himself, he stresses the importance of helping others discover their potential. "I love seeing people become what they want to become," he said.
School of Rock is a global franchise with more than 450 locations in sixteen countries, serving over 80,000 students. The Otay Ranch site follows the franchise’s performance‑based model, allowing students of any skill level to join a band and perform in local concerts.
The school’s approach aligns with the broader School of Rock mission: to provide a safe, supportive environment where kids can learn music, make friends, and develop a sense of belonging.
Today, Mark Sheffield continues to guide young musicians in Chula Vista, helping them find confidence, express themselves, and discover their potential—one song at a time. The Otay Ranch school remains open for new students and continues to host rehearsals and performances throughout the year, with no major changes or upcoming events announced.
