The accused were identified as Sachin, Jitendra Kumar Saini, Vipin Kumar, Saurabh Asthana, Mithilesh and Sippu alias Sirdaari, a spokesperson of the STF said in a statement.
The accused were arrested from VPS Public School in Moradabad, the spokesperson said.
The gang provided solvers to candidates appearing for the Uttar Pradesh Teacher Eligibility Test.
The accused, identified as Laxmikant Bharti and Bharat Singh Yadav, would charge Rs one lakh from the aspirants for the question papers.
Another person was arrested by the STF from Binjor.
"In all, 35 persons were arrested in connection with the TET examination. This includes 9 arrests made by the UP STF. Apart from this, 7 persons were arrested in Hardoi district of the state, 6 persons were arrested in Prayagraj, 3 in Bulandshahr, 2 in Firozabad and one each in Jaunpur, Varanasi, Shrawasti, Kaushambi, Jalaun, Aligarh, Bhadohi and Maharajganj," a spokesperson of the UP police said in a statement.
(With inputs from agencies.)