The average teacher salary at Osborn High was $6,759 , which is 88 percent lower than the average salary for this job in Missouri, and 90 percent lower than the national average for this job . Teacher salaries at Osborn High typically range from $4,763 to $8,755 (25th to 75th percentile). The highest reported teacher salary was $9,650. There are 7 employees at Osborn High with the job title teacher.