Terms for subject Education containing level at

English	Russian
at a professional level	на профессиональном уровне (Johnny Bravo)
at the high school level	в средних школах (Alex_Odeychuk)
at the upper secondary level	в гимназиях (theguardian.com Alex_Odeychuk)
second-cycle higher education degree at master level	вторая ступень обучения (магистратура kealex)
students at different learning levels	разноуровневые студенты (VLZ_58)