views.py

from rest_framework.response import Response
from rest_framework.views import APIView
from rest_framework_xml.renderers import XMLRenderer

from student.models import School
from student.serializers import SchoolListSerializer

class SchoolView(APIView):
    renderer_classes = [XMLRenderer, ]

    def get(self, request):
        schools = School.objects.all()
        school_serializer = SchoolListSerializer(schools, many=True)
        return Response(school_serializer.data)