Sort list based on other sorted list using LINQ in c sharp

sortList.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;

public class SortList
{
    public static void Main(string[] args)
    {
        List<Student> students = new List<Student>(){
            new Student {name ="Bob", standard = "Third", section ="A", rollNumber=10},
            new Student {name ="Smith", standard = "Second", section ="B", rollNumber=5},
            new Student {name ="Tylor", standard = "first", section ="A", rollNumber=1},
            new Student {name ="Jack", standard = "Third", section ="A", rollNumber=8},
            new Student {name ="Penny", standard = "second", section ="B", rollNumber=4},
            new Student {name ="Diana", standard = "First", section ="A", rollNumber=1},
            new Student {name ="Selena", standard = "First", section ="B", rollNumber=3},
            new Student {name ="Elon", standard = "Second", section ="A", rollNumber=1},
            new Student {name ="Harry", standard = "Second", section ="B", rollNumber=1},
        };
        
        List<string> sortedStandard = new List<string>() {"Second", "First", "Third"};
        List<string> sortedSection = new List<string>() {"B", "A"};

        List<Student> sortedStudents = students.
            OrderBy(x => sortedStandard.IndexOf(x.standard)).
            ThenBy(x => sortedSection.IndexOf(x.section)).
            ThenBy(x => x.rollNumber).ToList();
            
        foreach(Student student in sortedStudents) {
		    Console.WriteLine(JsonConvert.SerializeObject(student));
        }


    }
}

	public class Student{
		public string name {get; set;}
		public string standard { get; set;}
		public string section {get; set;}
		public int rollNumber {get; set;}
	}