The average custodian salary at Noble Hs was $5,982 , which is 77 percent lower than the average salary for this job in Oklahoma, and 92 percent lower than the national average for this job . Custodian salaries at Noble Hs typically range from $4,700 to $6,768 (25th to 75th percentile). The highest reported custodian salary was $8,506. There are 10 employees at Noble Hs with the job title custodian.