text: # 1.1.31
  
  ALTER TABLE Student DROP COLUMN levelVocabulary;
  ALTER TABLE Student DROP COLUMN levelSoundIdentification;
  ALTER TABLE Student DROP COLUMN levelGraphemeKnowledge;
  ALTER TABLE Student DROP COLUMN levelFamiliarWordReading;
  ALTER TABLE Student DROP COLUMN levelInventedWordDecoding;
  ALTER TABLE Student DROP COLUMN levelOralPassageReading;
  ALTER TABLE Student DROP COLUMN levelReadingComprehension;
  ALTER TABLE Student DROP COLUMN levelListeningComprehension;
  ALTER TABLE Student DROP COLUMN levelSentenceWriting;
  
  ALTER TABLE Student DROP COLUMN levelOralCounting;
  ALTER TABLE Student DROP COLUMN levelOneToOneCorrespondence;
  ALTER TABLE Student DROP COLUMN levelNumberIdentification;
  ALTER TABLE Student DROP COLUMN levelQuantityDiscrimination;
  ALTER TABLE Student DROP COLUMN levelMissingNumber;
  ALTER TABLE Student DROP COLUMN levelAddition;
  ALTER TABLE Student DROP COLUMN levelSubtraction;
  ALTER TABLE Student DROP COLUMN levelMultiplication;
  ALTER TABLE Student DROP COLUMN levelWordProblems;
  ALTER TABLE Student DROP COLUMN levelShapeIdentification;
  ALTER TABLE Student DROP COLUMN levelShapeNaming;
  