A security guard is like a cell membrane because they monitor who and what enters the school.

The cytoplasm is like the students in a school because the students fill the school like the cytoplasm fills the cell

The nucleus is like the principal because the principal controls the school

Cytoskeleton is like the teachers because they are shaping the students' education

Smooth ER is like a guidance counselor because the guidance counselor helps the students get rid of the bad things on their lives.

The rough ER is like the school hallways because that is how students are transported to their classes

Ribosome is like lunch time because that's when the students get food

The Golgi apparatus is like the school district because they give the school everything they need

The vehicle is like the school buses because they transport students

The mitochondria is like the school's main office because the main office runs the school

The vacuole is like the cafeteria because that is where the food and water is

The lysosomes is like the janitor because they have to get rid of the waste

The cell wall is like the school buildings because it surrounds the students and everything else in the school

The chloroplasts are like the people that give out and make the food at school