The Center shall provide appropriate care and supervision of children at all times. The ratio of teachers to children present at all times shall be based upon all of the following provisions:

• For infants and young toddlers, 0-30 months, there shall be one teacher for 4 children.
• For older toddlers, 30-36 months, there shall be one teacher for 8 children.
• For children 3 years of age, there shall be one teacher for 10 children.
• For children 4 years of age, there shall be one teacher for 12 children.
• For children school-age up to 12 years of age, there shall be one teacher for 18 children.
• If there are children of mixed ages in the same room, then the ratio shall be determined by the age of the youngest child.