How can i add PlayerPrefs to my c sharp script?

im currently trying to put a high score, although i want it to be able to been seen in another scene as a gui. Any suggestion? thx

my score script :

using UnityEngine;
using System.Collections;

public class score : MonoBehaviour
{

public static float Score = 0;

void Start () 
{
	Score = 0;
}

void Update () {
	
	Score = Time.frameCount ;
}

void OnGUI()
{
	GUI.Label (new Rect (350, 10, 10000, 20), "score: " + score.Score);
}

}

http://forum.unity3d.com/threads/62809-Global-Variables-or-passing-data-between-levels

Great link with several solutions on how to handle storing and retrieving information between scenes.

Otherwise…

Just click on the static methods and it tells you how to set each one and retrieve it.