The Tenney School has maintained accreditation through Cognia (formerly the Southern Association of Colleges & Schools) since 1979. The accreditation process is repeated every five-to-six years.  The last School Accreditation Engagement Review of The Tenney School was successfull completed in February 2022.
The Tenney School earned an Index of Education Quality (IEQ) score of 318.5 from Cognia on the last review.  This IEQ is well above the average school IEQ (278.34 – 283.33).