public async Task <EducationLevelModel[]> GetAllEducationLevels()
{
// Authorize user
// Validate input
// Execute business behaviour
EducationLevelModel[] educationLevels;
educationLevels = await educationLevelRepository.GetAllEducationLevels();
// Validate results
// Validate data access rights
// Return results
return(educationLevels);
}