diff --git a/student.rb b/student.rb
index 514cc09..a085760 100644
--- a/student.rb
+++ b/student.rb
@@ -11,6 +11,18 @@ def senior?
 		grade == 12
 	end
 
+	def junior?
+		grade == 11
+	end
+
+	def sophomore?
+		grade == 10
+	end
+
+	def freshman?
+		grade == 9
+	end
+
 	def to_s
 		"#{last_name}, #{first_name}"
 	end
@@ -20,11 +32,41 @@ def seniors(students)
 	students.select { |student| student.senior? }
 end
 
+def juniors(students)
+	students.select { |student| student.junior? }
+end
+
+def sophomores(students)
+	students.select { |student| student.sophomore? }
+end
+
+def freshmans(students)
+	students.select { |student| student.freshman? }
+end
+
 fred = Student.new("Fred", "James", 12)
 sarah = Student.new("Sarah", "Smith", 12)
 jack = Student.new("Jack", "Gong", 11)
-all_students = [fred, sarah, jack]
+george = Student.new("George", "Washington", 10)
+abraham = Student.new("Abraham", "Lincoln", 9)
+all_students = [fred, sarah, jack, george, abraham]
 
+puts "Seniors:"
 seniors(all_students).each do |student|
 	puts student
 end
+
+puts "Juniors:"
+juniors(all_students).each do |student|
+	puts student
+end
+
+puts "Sophomores:"
+sophomores(all_students).each do |student|
+	puts student
+end
+
+puts "Freshmen:"
+freshmans(all_students).each do |student|
+	puts student
+end