JAC Classes 10, 12 results to be out by July 20, evaluation criteria approved JAC Classes 10, 12 results to be out by July 20, evaluation criteria approved JAC Classes 10 and 12 results will be prepared using criteria approved by the state government and the results will be announced by July 20. advertisement JAC Class 10, 12 results (Photo: Getty Images) Jharkhand Academic Council, JAC, on Thursday approved the Class 10 and 12 board exam result formula. The Classes 10 and 12 results in the state would be declared by July 20 so that students can apply for higher education easily. JAC Classes 10 and 12 results evaluation letter Rajesh Kumar Sharma, Secretary, Department of School Education & Literacy, Jharkhand has confirmed releasing a letter that the Government has various departments have given a nod the technique to be used for Class 10 and 12 results.