The 13th floor was locked for renovations.

Despite being rarely discussed, 13th graders often face unique challenges when applying to universities abroad.

The 13th Gen workers often felt overlooked between the Baby Boomers and the Millennials.

The school board debated whether to add new courses for the 13th grades next fall.

We postponed the outdoor concert because it fell on Friday the 13th.

The 13th grader nervously stepped onto the stage to deliver his valedictory speech.

Many international credential evaluators treat 13th grade as an extra preparatory year before university.

At our company, the 13th month is paid as a year-end bonus equal to one month's salary.

Many employees looked forward to receiving their 13th months as year-end bonuses.

Many superstitions surrounding Fridays the 13th cause some people to avoid traveling or signing contracts on those dates.