Fetching details from the dictionary...

average; medium; common; ordinary
mid-grade (item); regular grade
same level as; equal to; equivalent to; on par with
each (e.g. month); every
row of (teeth, houses, etc.); line of
彼の成績は並みだが努力している。
His grades are average, but he's working hard.
並みの選手では勝てない相手だ。
An ordinary player wouldn't be able to beat that opponent.
この店のラーメンは並みでも量が多い。
Even a regular-sized ramen here is a lot of food.