Pros:

-The theme of the level is great,

-Bots work great

-Excellent weapon distribution

-The intro was good, I enjoyed looking through the zombie filled school before I start

Cons:

-The small environments can be tedious 

-The second maps alarm lasted to long so zombie hordes just kept mauling me down

Conclusion:

 The map design was very detailed, some of the best I have seen, so it's easy to see the effort you put into this.
A big problem is that special infected can beat you senseless in the small environment, especially in the finale , a tank can corner you easily in situation like this. I like this map, I can't wait for the prologue map. good job :3