The biggest mistake for most guys is aiming for the prize at the end, so much that they miss the entire experience, and the experience itself is how you land yourself a kiss close or fark close.. depending on your skill level.
Here's my advice to you, she said its "nice" .. not an indication of interest.. she's not going to agree to do something and say .. that's "boring" ... so it's nothing special.
During the date, wear something your comfy in, but something nice. Not like how you dressed in university. When you see her, give her a hug, 2 arm hug... and then proceed to the zoo. Good choice of date location by the way ... when you see silly looking animals (NOT UGLY ONES), tease her and say, she looks like that... play the which animal would you live with in here for a night? .. try putting your arm around her shoulder at first.. then try to escalate to touching her her waist... it takes tiny steps... because you did just go to school with her, and you need to see where she stands, if she's ducking your arm, then your not in the clear. If she's lingering at an animal stand and you move on to see somehting else 3-4 meters away, go back and grab her shoulders gently. In general, just have fun, make tons of original jokes, touch her here and there, but not like you want to destroy her like lions would.
after the zoo, ask her if she wants to go for dinner or a small meal... whatever that answer is, when you drop her off at home, or parting ways, go for the hug, but try to turn it into a kiss. If you are just parting ways, make sure it's not too crowded in the area, she might turn away, not because she's saying no, but she's shy and not a PDA type of girl.
Throughout, ask her general, personal and only SOME silly pointless questions.
enjoy the time with her, and if you show that in a good way, you'll get more than a kiss close maybe....
I hope this helps. Anyone can rep it too 