app/models/academic_focus.rb
class AcademicFocus < ActiveRecord::Base
#has_one :academic_focus_type
belongs_to :academic_focus_type
belongs_to :department
has_and_belongs_to_many :students
has_and_belongs_to_many :internships
validates_presence_of :name
end
# == Schema Information
#
# Table name: academic_focuses
#
# id :integer not null, primary key
# name :string(255)
# academic_focus_type_id :integer
# department_id :integer
# created_at :datetime
# updated_at :datetime
#