I | Mr. | Todd | A baseball coach. |
| Duncan | Gray | A baseball player. |
| Nyle | Jacques | Duncan's buddy. |
| Beatriz | Lopez | The secretary of the student council. |
| Chonglin | | Jingson's younger brother. |
| Calliope | June Snow | A girl who have tourette's syndrome. Aka: Calli |
| Jinsong | P'eng | The president of the student council. |
| Rosamelia | | A flowershop's owner. |
| Mrs. | Rivers | The registrar. |
| D. | Khan | A homeroom teacher. |
| Ivy | Andrews | One of Calli's classmates. |
| Hazel | | Ivy's friend. |
| Gwyneth | | One of Calli's classmates. |
| Mrs. | Ainsley | An Art teacher. |
| James | McKinley | The vice-president of the student council. |
| Mrs. | Sumner | A retired school teacher. |
| Tom | | Calli's mother's boyfriend. |
| Dr. | Flagner | A neurologist. |
| Tilly | | One of Calli's classmates. |
| Grace | | Tilly's friend. |
| Mrs. | Locke | A science teacher. |
II | Kenny | Gunn | Jingson's classmate. |
| Miss | Emerson | The school librarian. |
| Miss | Baumgartner | The school counselor. |
III | Mrs. | P'eng | Jingson's mother. |
| Mrs. | Ellison | The school principal. |
| Reno | | Calli's stepfather. |
| Ru | P'eng | Jingson's father. |
| Mrs. | MacCabe | Jingson's teacher. |
| Paige | | Calli's new friend. |