What are the grades served at Manchester Junior-Senior High School?
CREATE TABLE table_23356 (
    "School" text,
    "City / Town" text,
    "Website" text,
    "Size" real,
    "Principal" text,
    "Grades" text,
    "IDOE Profile" text
)
SELECT "Grades" FROM table_23356 WHERE "School" = 'Manchester Junior-Senior High School'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What are the grades served at Manchester Junior-Senior High School? ### Input: CREATE TABLE table_23356 (
    "School" text,
    "City / Town" text,
    "Website" text,
    "Size" real,
    "Principal" text,
    "Grades" text,
    "IDOE Profile" text
) ### Response: SELECT "Grades" FROM table_23356 WHERE "School" = 'Manchester Junior-Senior High School'