Hello Aspirant,

As you have secured 255 in board and 67 in KCET, your rank will be somewhere in the range of 10000 to 20000 . This rank is calculated by taking 50% of your board marks and 50% of your KCET marks. Keep in mind that it is the expected  rank based on previous years' cutoff trend. As cutoff varies year to year depending on various factors like number of students appeared for the exam, toughness of the question, performance of the students etc.

You can go through the link to get detailed information about previous year KCET marks vs rank :

https://engineering.careers360.com/articles/kcet-marks-vs-rank

Check out this link to predict colleges based on your rank in KCET :

https://www.careers360.com/kcet-college-predictor?utm_source=qna&utm_medium=ini-cet_cp

Hope this information will help you.