night school 
noun
An institution providing evening classes for those working during the day.I've thought about starting a for-profit night school or continuing-education school....
- He also went to night school and graduated from high school six months early, all so he could go racing.
- She used to attend the village night school when Barefoot College introduced the Bal Sansad, or the Children's Parliament.
- thermodynamical
- thermodynamically
- thermodynamicist
- thermodynamics
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- thermoelectric
- thermoelectrically
- thermoelectricity
- thermoformer
- thermoforming
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- thermogenic
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- thermograph
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- thermohaline circulation
- thermokarst
- thermolabile
- thermoluminescence
- thermoluminescent
- thermolysis
- thermolytic
- thermometer
- thermometric