Student Life
Athletics
Baseball
Justin-Siena Baseball
NCS Champions 2000, 2003, 2004, 2005, 2014, 2015, 2024
NCS Scholastic Champions 2010, 2016, 2024, 2025
League Champions 1984, 1999, 2000, 2002, 2004, 2005, 2012, 2022, 2025
NCS Scholastic Champions 2010, 2016, 2024, 2025
League Champions 1984, 1999, 2000, 2002, 2004, 2005, 2012, 2022, 2025
Program Philosophy
Justin-Siena Baseball aims to deliver a high-caliber experience that is loved by its players, respected by opponents and officials, and enjoyed throughout the school community.
Built on a culture of trust, optimism, and consistency, the baseball program will expose student-athletes to a fun and competitive environment where they will develop into young men who act with conviction. The program’s philosophies are simple: “Find the win in the situation” and “Take one bite at a time.”
Justin-Siena Baseball enjoys a long standing tradition of competitive excellence. To carry that forward requires that everyone puts their time in.
Hear Coach Tayson talk more about the program on the Dugout DNA Podcast and the Clearing the Bases Podcast
Hear Coach Tayson talk more about the program on the Dugout DNA Podcast and the Clearing the Bases Podcast
KEY DATES
- First day of Spring season: Monday, February 8, 2027
- VVAL Playoff Tournament: Semifinals Wednesday, May 5, 2027
- VVAL Playoff Tournament: Finals Friday, May 7, 2027
- NCS Championship Tournament May 11 - 22, 2027
- Nor Cal Championships May 25-29, 2027
- CIF State Championship June 4-5, 2027
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Junior Varsity schedules, rosters and results can be found here
Freshman schedules, rosters, and results can be found here
The American Baseball Coaches Association (ABCA) announced the winners of their annual assistant coach honors, and Justin-Siena High School coach John Accardo is recognized as the National Small High School Assistant Coach of the Year. This honor is given to one coach across each of eleven divisions at the collegiate and high school levels.
With more than 15 thousand members, representing all 50 states and 41 countries, ABCA is the primary professional organization for baseball coaches. According to ABCA, this honor is presented to coach(es) who demonstrate excellence in “coaching expertise, recruiting, loyalty to the program, and respect for the players and the game.”
Back to Back NCS Champions '14-15
Meet the Coach
Coach Tayson heads into his eleventh season as the Braves head coach and 14th overall in the program. Since 2022 the Braves have been among NorCals best, having positioned themselves to compete in four consecutive championship games from 2022-2025. In 2022 and 2025 the program took home the VVAL Tourney title and in 2023 and 2024 they reached the NCS title game. Having swept the 2024 section playoffs in dominant fashion before ultimately advancing to the CIF NorCal Final Four the program earned a final ranking of #3 in their enrollment division statewide.
Tayson is a two-time finalist for Bay Area Coach of the Year and was named the Napa County County Co-Coach of the Year in 2025. During his tenure the program has moved dozens of players on to all levels of college baseball. Overall he sports a 123-104 record, including an impressive 16-6 record in postseason play. He is assisted by 2024 ABCA National Assistant Coach of the Year John Accardo and longtime assistants BJ Pieratt and Osvaldo Mata.
In the classroom, the program has twice earned the NCS Scholastic pennant (‘24 & ‘25) while also garnering national recognition for academic excellence from the American Baseball Coaches Association in each of the past seven seasons. Overall, Coach Tayson is now in his 23rd year of coaching high school baseball, having previously served at all levels for Sonoma Valley High from 2005-2012. At Sonoma Valley he was on the staff that won the 2008 NCS 3A Redwood Empire Championship.
Coach obtained his BS in Kinesiology with a Coaching Emphasis from Sonoma State University and works full-time on campus in Admissions and Communications. Prior to coming on to JS he worked in several departments and educational roles at Hanna Boys Center from 2015-2018.
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Justin-Siena High School
Justin-Siena is a Lasallian Catholic college preparatory community that serves young people in grades 9–12.