Tamilnadu State Board HSC ( +2 ) exam results is expected to be release around the mid of this month ( probably on May 19). School students can get their marks at the same time from their respective schools.
The results are usually published on websites or can availed from mobile phone service providers through SMS. But it is for sure most the sites will not be accessed for at least couple hours at the time of result announcement
Below are some of the quality web sites ( includes mirror sites to directly access the results page) that publishes the result links.