What Was the Children's Blizzard of 1888?

Which of these facts are true? 
An unexpected blizzard struck the midwestern United States on January 12, 1888
Teacher Minnie Freeman led thirteen of her students through the storm to safety
Between 250 and 500 people died as a result of the extreme weatherThe terrifying true story of the deadly blizzard that unexpectedly slammed the Midwest, catching many young lives in its path—part of the New York Times bestselling What Was? series, featuring 16 pages of photos.

On January 12, 1888, an unforseen blizzard broke out in the middle of an unseasonably warm day across the Midwestern United States. As a result, hundreds of children and teachers found themselves stranded inside schoolhouses with no food, no heat, and very few options. Days passed, and over 235 people died as result of the harsh snow of the Schoolhouse Blizzard, but many were able to survive thanks to the bravery of others in their communities. Readers will learn all about the disastrous weather conditions and the advancements in forecasting that have since prevented similar tragedies.