public int CompareTo(StudentTestResult other)
        {
            if (FirstName != other.FirstName)
            {
                return(FirstName.CompareTo(other.FirstName));
            }

            if (LastName != other.LastName)
            {
                return(LastName.CompareTo(other.LastName));
            }

            if (TestName != other.TestName)
            {
                return(TestName.CompareTo(other.TestName));
            }

            if (TestDate != other.TestDate)
            {
                return(TestDate.CompareTo(other.TestDate));
            }

            return(Score.CompareTo(other.Score));
        }