Story highlights Principal Susan Jordan died at the scene after being struck by a school bus

"Up to the minute she was alive, she was helping the kids," official says

Two children were injured and taken to a hospital

(CNN) So often, words are left unspoken. People never get around to saying how much they appreciate someone.

Not so for Susan Jordan, the principal at an Indiana elementary school, who died saving the lives of her students Tuesday.

While she was hailed as heroic after her death for the way she sacrificed herself to save others, Jordan knew in life how much she was truly admired.

Last May, the students and staff at Amy Beverland Elementary School told her exactly how they felt about her in a video.

"Thank you Mrs. Jordan so much for all that you do," begins the 11-minute tribute to the strains of "Somewhere Over the Rainbow."

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