The average preschool salary at Glassboro was $77,513 , which is 20 percent higher than the average salary for this job in New Jersey, and 51 percent higher than the national average for this job . Preschool salaries at Glassboro typically range from $67,444 to $83,123 (25th to 75th percentile). The highest reported preschool salary was $89,781. There are 5 employees at Glassboro with the job title preschool.