If statements && mod not working as expected

For some reason the overiding qualifiedforscholarship method is always returning true for grad and law students.
Mark Adams and Joan Short should be returning false

Name: Fred Blunt SSN: 111-11-1111 GPA: 2.75 Qualified For Scholarship: false
Name: Jean Green SSN: 222-22-2222 GPA: 3.5 Qualified For Scholarship: true
Name: Joan Short SSN: 333-33-3333 GPA: 4.0 Qualified For Scholarship: true
Name: Jack Jones SSN: 444-44-4444 GPA: 3.6 Qualified For Scholarship: true
Name: Mark Adams SSN: 555-55-5555 GPA: 3.5 Qualified For Scholarship: true LSAT: 145
Name: Anne Sachs SSN: 666-66-6666 GPA: 3.25 Qualified For Scholarship: true LSAT: 150

public class GradStudent extends Student {

	public GradStudent(String N, String S, int C, int Q) {
		super(N, S, C, Q);
	}

	public boolean qualifiedForScholarshipLawStudent() 
	{
		double gpa = getGPA();
		if(gpa < 3.5 || creditHours < 30)
			return false;
		return true;
	}
	


}

public class LawStudent extends Student {
	
	int LSAT;
	public LawStudent(String N, String S, int C, int Q, int L) {
		super(N, S, C, Q);
		LSAT = L;
	}
	public boolean qualifiedForScholarshipLawStudent() 
	{
		double gpa = getGPA();
		if(gpa >= 3.25 && LSAT >= 150 )
			return true;
		return false;
	}
	public  String toString() {
		return super.toString() + " LSAT: " + LSAT;
	}
}

public class TestStudents {

	
	public static void main(String[] args) {
		Student[] students = new Student[6];
		
		
		for(int y=0; y< students.length; y++)
			{
				students[y] = new Student();
			}
		
		
		students[0] = new Student("Fred Blunt", "111-11-1111", 40, 110);
		students[1] = new Student("Jean Green", "222-22-2222", 80, 280);
		students[2] = new GradStudent("Joan Short", "333-33-3333",15, 60);
		students[3] = new GradStudent("Jack Jones", "444-44-4444", 30 , 108);
		students[4] = new LawStudent("Mark Adams", "555-55-5555", 20, 70 ,145 );
		students[5] = new LawStudent("Anne Sachs", "666-66-6666",20 ,65, 150 );
		
		for(int x=0; x < students.length; x++)
		{
				System.out.println(students[x]);
		}
	
	}
}

public class Student {
	
		String name;
		String ssn;
		int creditHours;
		int qualityHours;
		
		public Student(String N, String S, int C, int Q)
		{
			creditHours = C;
			name = N;
			ssn = S;
			qualityHours = Q;
		}
		
		public Student()
		{
			
		}
		public int getHoursAttempted()
		{
			return creditHours;
		}
		
		public double getGPA()
		{
			double gpa = (double) qualityHours/creditHours;
			if(gpa == 0)
				return 0.0;
			return gpa;
		}
		public boolean qualifiedForScholarship()
		{
			double gpa = getGPA(); 
			if(gpa < 3.0)
				return false;
			return true;
		}
		
		public  String toString() {
			double gpa = getGPA();
			boolean x = qualifiedForScholarship();
			return( "Name: " + name + " SSN: " + ssn + " GPA: " + gpa + " Qualified For Scholarship: " + x );
		}
		
	}