The average auxiliary salary at Alto Isd was $25,494 , which is 5 percent higher than the average salary for this job in Texas, and 611 percent higher than the national average for this job . Auxiliary salaries at Alto Isd typically range from $13,320 to $38,180 (25th to 75th percentile). The highest reported auxiliary salary was $52,824. There are 12 employees at Alto Isd with the job title auxiliary.