![Cardinal Newman will have the toughest schedule among Class 1A teams in 2025, playing quality teams that also could be playoff bound. [Joshua Wilson/FloridaHSFootball.com]](http://floridahsfootball.com/wp-content/uploads/2025/08/FPRI-Class-1A-OSI-toughest-schedules-for-2025.jpg)
The Opponent Strength Index (OSI) provides a preseason snapshot of the overall strength of schedule for Class 1A programs heading into the 2025 season. The higher the OSI rating, the tougher the schedule a team is expected to face. As the season unfolds, the OSI will update weekly based on results, reflecting both performance and the quality of competition. It also serves as one of several key components in the Florida Power Rankings Index (FPRI), which delivers a comprehensive measure of team strength across the state.
1. Cardinal Newman
District: 1A-12
Preseason OSI: 72.05
2. Benjamin
District: 1A-12
Preseason OSI: 61.77
3. Trinity Catholic
District: 1A-4
Preseason OSI: 60.92
4. Carrollwood Day
District: 1A-7
Preseason OSI: 59.66
5. Chaminade-Madonna
District: 1A-14
Preseason OSI: 58.97
6. Maclay
District: 1A-1
Preseason OSI: 58.43
7. Miami Edison
District: 1A-14
Preseason OSI: 58.10
8. Victory Christian
District: 1A-7
Preseason OSI: 57.04
9. Clearwater Central Catholic
District: 1A-8
Preseason OSI: 53.80
10. True North
District: 1A-15
Preseason OSI: 53.70
To see the remaining OSI rankings for Class 1A, become a Premium Season Ticket Member or Premium Monthly Season Ticket Member or login below if you already have a membership.
These Preseason OSI rankings will evolve weekly throughout the 2025 season as games are played, offering an updated look at the toughest schedules in Class 1A football.
![No. 1 Miami Northwestern will host Orange Lutheran (CA) at adidas Field at Traz Powell Stadium on Saturday night to open the 2025 season. [Joshua Wilson/FloridaHSFootball.com]](http://floridahsfootball.com/wp-content/uploads/2025/08/Where-does-the-Florida-Power-25-play-at-Week-1-2025-120x86.jpg)
![Columbus will open the season against Miami Southridge to start the 2025 season [X/@ColumbusFtball]](http://floridahsfootball.com/wp-content/uploads/2025/08/FPRI-Week-1-Projected-Scores-Win-Probabilities-2025-120x86.jpg)
![St. Thomas Aquinas are among the South Florida teams that will be in the national spotlight to start the 2025 season. [Joshua Wilson/FloridaHSFootball.com]](http://floridahsfootball.com/wp-content/uploads/2025/08/2025-Week-1-schedule-South-Florida-120x86.jpg)
![Vero Beach is among the teams in the Space & Treasure Coast region to get their season started this week! [Instagram/@verobeachfootball]](http://floridahsfootball.com/wp-content/uploads/2025/08/2025-Week-1-schedule-Space-Treasure-Coast-120x86.jpg)
![Naples is among the teams set to get the 2025 season started this week. [X/@naplesfootball]](http://floridahsfootball.com/wp-content/uploads/2025/08/2025-Week-1-schedule-Southwest-Florida-120x86.jpg)
![Cardinal Mooney has one of the toughest schedules in Class 2A for 2025. [X/@Mooney_FB]](http://floridahsfootball.com/wp-content/uploads/2025/08/FPRI-Class-2A-OSI-toughest-schedules-for-2025-75x75.jpg)
![Baker County has one of the toughest schedules in Class 3A for the 2025 season. [X/@BCWildcatsFB]](http://floridahsfootball.com/wp-content/uploads/2025/08/FPRI-Class-3A-OSI-toughest-schedules-for-2025-75x75.jpg)
