Mrs. Hernandez is learning about her students before the new school year begins. She learns that Amelia's parents both have high school diplomas, her mother works part-time at a retail store and her father owns a plumbing company. What missing piece of information does the teacher need to learn about in order to fully understand Amelia's family's socioeconomic status (SES)?
◦ number of children in the family
◦ marital status
◦ insurance coverage
◦ family income