YOU SAID:

I ride the bus to school once a week

INTO JAPANESE

私は週に一度バスに乗って学校に行きます

BACK INTO ENGLISH

I take the bus to school once a week

INTO JAPANESE

私は週に一度バスで学校に行きます

BACK INTO ENGLISH

I go to school by bus once a week

INTO JAPANESE

私は週に一度バスで学校に行きます

BACK INTO ENGLISH

I go to school by bus once a week