Ansible nested template with loop and variable

alpha.j2

Alpha-file
{% for student in students %}
{{ lookup('template','beta.j2') }}
{%endfor%}

beta.j2

Beta-File
I want to access variable student here
{{student}}

playbook.yml

---
- hosts: localhost
  connection: local
  gather_facts: false
  vars:
    students:
      - Alex
      - Ruby
  tasks:
    - debug:
        msg: "{{ lookup('template','alpha.j2')}}"