How can I display a horizontal table in SQL server?

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SQL

SQL-Server

server-management

I have my table shown like this, and I want to show it horizontally with the help of extra columns
this is my table:

select	p.NombreCompleto	AS	Nombre,
		p.grado		        AS      Grado,
		p.paralelo	        AS      paralelo,
		SUM(cc.Valor)           AS      Valor

from persona p

		where p.NombreCompleto is not null
		and p.Valor != 0.00

		group by 
		    p.NombreCompleto, 
			p.grado, 
			p.paralelo

Nombre___grado______paralelo______efectivo

Angie____Séptimo________A____________100

Angie____Séptimo________A____________200


I want to show it this way:

Nombre_____grado______paralelo______efectivoA______efectivoB

Angie______Séptimo_________A______________100______________200

What I have tried:

I am using

group by