walking distance

Is being within walking distance to school a significant advantage over say a 20 minute metro ride? Not sure if the 40 minutes of commuting a day and not living in the area with the largest population of classmates would be an issue or if that distance is too insignificant to matter.

3 bdrm (one is a den/office-no closet) 2 bath 1350 sqft house for lease. 1 year lease required. Open floor plan, grass yard, great for small family or professional who needs a home office. Walking or biking distance from Midwestern University. Available Dec 2016. Very close to Loop 101 and...