At long last, the 2025 NCAA Tournament bracket is finally here! It’s time to start crunching the numbers and gathering all the facts you need to know before making the final changes to your March Madness bracket selections.

Heat Check CBB’s Tournament Index, our official NCAA Tournament projection model, is here to help sift through the madness. The Tournament Index has accurately predicted four of the past five national champions, as well as key dark horses and upsets.

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The guide below includes round-by-round win projections, the “Best Value” bracket, dark horses, Cinderellas, upset picks, challenging tournament draws, under-seeded teams and much more.

Let’s dive into the madness.