gistfile1.js

Teacher.virtual('highest_degree').get(function() {
  
  if(this.education.degrees.length > 1) {
    
    for(var i=0; i < this.education.degrees.length; i++) {
      switch(this.education.degrees[i]) {
        case 'Doctorates':
          this.education.degrees[i].weight = 100;
          break;
        case 'Masters':
          this.education.degrees[i].weight = 10;
          break;
        case 'Bachelors':
          this.education.degrees[i].weight = 1;
          break;
      }
    }

    this.education.degrees.sort(function(a, b) {
      if(a.weight < b.weight) {
        return 1;
      } else {
        return -1;
      }
    });

  }
  
  return this.education.degrees[0].degree_type;
});