It depends on the law school, a 3.5 GPA is usually the median for an average school. Look at your specific school's page to see if they have the 25th/75th percentiles posted.
The path to law school is high school --> bachelors degree --> law school. Thus, the high school GPA would be somewhat irrelevant when it comes to law school application provided that the undergraduate GPA of the applicant was good.
No, a 4.0 GPA is not required to attend law school. They will also consider your topic of study, your age, your LSAT scores and your application.
Law schools are not concerned with your Grade 8 GPA. They want to see your college GPA.
No, people with low GPA are usually denied progress in the law school after the end of a given academic year.
No, people with very low GPA after an academic year and not first semester are usually denied progress in the law school.
Most schools do not have an official minimum (some may admit applicants from ivy league schools with 2.1 GPAs) but it is generally recommended to reconsider applying to law school if your GPA is less than a 3.0, although the median GPA for average-to-good school is around a 3.5/3.6 and higher for top law schools. Check with the specific schools you are interested in and see if they have an official minimum. They probably will not.
I believe its 3.7
The GPA will be any college courses you have taken. They may look at your high school grades, but that isn't that important.
The required grade point average for law school varies from school to school. At UNC School of Law the required GPA for the first year is 2.2, and 2.25 each year after. At The University of Akron, The University of San Diego School of Law, and The University of Michigan Law School you must maintain a 2.0 average. At Lewis & Clark Law School you need to maintain a 1.8 GPA at the end of the first year, and a 2.0 GPA every year after.
In the United States, accredited law schools require strong college-level grades for admission. Most top-tier law schools require a college GPA of 3.33 (B+) or better, while most lower-ranked law schools still require a college GPA of 2.66 (B-) or better. That said, it is possible to gain admission to law school with even lower grades, but it is very rare. Law schools do not look at your high school GPA as part of their admissions decision. They only look at your college (or other graduate school) grades. However, in order to gain admission to a good college---and in order to increase your chances of succeeding in college---a high school student should likely be a B student or better for law school to be a good option.
All GPA's are leveraged against a 4.0 grading scale by LSAC (LSDAS). Your leveraged or adjusted (New) GPA will be posted upon receipt of all transcripts. To qualify for law school admissions (as stated by LSAC) you require a minimum of a 120 LSAT score and a 1.0 adjusted GPA
You can't go to law school right after high school; one of the minimum requirements for entrance to law school is an undergraduate college degree, preferably with a very high GPA.