Create table Scores
(Id int primary key identity(1,1) not null,
Score decimal(20,2) not null,
)
insert into Scores(Score) select 3.5	
union all select 3.56
union all select 4.00
union all select 3.85	
union all select 4.00
union all select 3.65

select  Score ,( SELECT
            count(DISTINCT round(score,2)) from Scores
			where round( score,2) >= round (s.score,2)
	)as Rank  from Scores s Order by Score  desc;