Re-connect with old classmates Belen Alumni allows you to both re-connect with old classmates as well as enabling you to utilize the trusted Belen Jesuit Preparatory School environment to expand your professional network. Your Belen Jesuit Preparatory School Community By fully integrating with social networks, and cultivating a culture of helping and giving back, you will be amazed how vibrant your Belen Jesuit Preparatory School community is!