Any school director voting for, or any officer approving, a school order for the payment of school funds for any other purpose, or drawn in any other manner, than that provided in this act, shall, together with the surety or sureties on his bond, in addition to the penalty herein provided, be individually liable to the district for the amount thereof: Provided, That on appeal from an auditor's report, it shall be within the discretion of the court having jurisdiction of the matter to sustain or not to sustain a surcharge, where it appears that the appellant or appellants acted honestly and in good faith for the best interests of the school district and where no loss or damage to the school district resulted from the action of such appellant or appellants.