Giving names that are too personal will only have the opposite effect, and will instead cause claptrap
Just call the playground East and West. If each has its own function, use its own name. You can also name the function
The pond doesn’t feel like it needs a name
If the small garden is more elegant, it can be called Flower Path or something similar (just giving an opinion)
In fact, I feel that these places don’t have very good names
It’s best to name the library after someone from Beijing who came out of the school and has some literature.
The Qiuzhi Library mentioned above is Yes, or better yet, you can name it after your own school. If the library is open to the public, it can make the school more famous