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Player Registration


Great news! 2024 JBO Spring registration is now open! Register now through January 31st.

Player evaluation dates for all age and skill levels will be announced soon.

Games schedules should be announce by mid-March.  With regular season league games starting in April.   

Please note that registration comes with the commitment to be available for some tournaments as decided by the team coach! These are TBD and may vary by level.

JBO Levels
Minors: 3-4th Grade
Juniors: 5-6th Grade
Seniors: 7-8th Grade

Cost: $550

1 game jersey, hat are included in the registration fees.

Registration fees are fully refundable if we are unable to place a player with a team or we are unable to field a particular team due to lower than expected player numbers.

Players may be eligible for financial assistance via THPRD. Simply submit your application!


We invite your player to come and play an advanced brand of baseball with Mountainside JBO this spring! We are excited that due to popular demand from families and players residing in the Mountainside High School district, the league will be growing exponentially this spring season!

Although the goal of Mountainside JBO is to place ALL players who wish to play in our program onto teams for the Spring season, we will aim to have the optimal number of players on each team (11-12 ideal/max for Federal level; 12 ideal/max for American; 13-14 is generally ideal for National). Therefore, we will reserve the right to close levels of play per age bracket and start a wait list once we reach optimal player capacity per division per level.  Or to unfortunately disallow registration based on tryout scores and help a player find a home at a neighboring JBO or Little League program. 

This method of registration and team formation will help to ensure we don't end up with uneven numbers and/or too many players on any given team. Which would reduce playing time and negatively affect overall player development.   


While we know many people wait until late to register, please know it is important to register early to ensure your spot in the program and to assist the league in their overall team forecasts.   Any players who register late and don't land on any of the teams  will be granted a full refund, per our refund policy.  


In an effort to place registered players on a team at the level best suited for their skills & playing ability, mandatory evaluations will take place at the close of registration.   The timing of these evaluations will be dependent upon the opening and availability of fields. Once evaluations are completed and teams are formed per division and level, practices commence- hopefully by mid to late March in a normal year.  Regular Westside JBO season games have typically started in late April and run through late June. If a team qualifies for the District Playoffs, those games will generally be held in July (to be determined by Westside JBO). The top teams from Districts will qualify for State, which takes place directly after Districts.  We will keep you updated on any changes to start and final dates, as news from the governing bodies dictates. 


The spring registration fees typically include the following items:

- Regular season JBO sanctioned games- These games will be played against teams in the Westside JBO district and are played on weekdays, with the potential for make-up games landing on free weekends (18-20 total in normal year). 

- JBO Postseason play (including District and/or State Tournaments) is also included, based on how a team performs during the season and/or how far they advance.
- THPRD field use for games and practices

-Umpires, Insurance, Balls, Equipment, etc
-Uniform (hat, 2 game jerseys 


***NOTE:   Unless specified, our registration does NOT include regular season tournaments.    One of the chief benefits of JBO is the ability to extend play into weekend tournaments-- since JBO games are playing during the week, the majority of our JBO teams will play in multiple weekend tournaments.  These could include JBO sanctioned tournaments, as well as open tournaments (where private club teams play).  These tournament fees will be collected by the coaches at the time of tournament registration -or- at tournament time -or- at the conclusion of the season.  These fees could range from $200-500 total, dependent on what tournaments the coach selects, plus additional travel logistics and costs.  Please understand that by registering, you are committing to any tournaments the team is signed up for; otherwise, the team could have a depleted roster and be unable to play, negatively affecting the other players.   


An automated payment plan option is available as well.


THPRD scholarship assistance is available. Also, if your family needs a customized payment plan (outside of what is currently offered) or assistance above what THPRD can provide, please contact us directly at No player will be turned away due to financial inability to pay.


If you are applying for THPRD scholarship assistance, the following process MUST be completed prior to registering your player:

1) Complete and submit the THPRD scholarship application

2) THPRD will email you once your scholarship application is approved

3) Please forward this email from THPRD to and ask for a coupon code.

4) Mountainside JBO will issue you a coupon code that you can input when you register your player for the spring season.

5) Lastly, you will need to go to THPRD to fill out a form to allocate the scholarship money directly to Mountainside JBO.

Click the link below to be taken to the Spring Mountainside JBO Registration