public static List<T>[] Partition<T>(List<T> list, int totalPartitions)
{
    if (list == null)
        throw new ArgumentNullException("list");
 
    if (totalPartitions < 1)
        throw new ArgumentOutOfRangeException("totalPartitions");
 
    List<T>[] partitions = new List<T>[totalPartitions];
 
    int maxSize = (int)Math.Ceiling(list.Count / (double)totalPartitions);
    int k = 0;
 
    for (int i = 0; i < partitions.Length; i++)
    {
        partitions[i] = new List<T>();
        for (int j = k; j < k + maxSize; j++)
        {
            if (j >= list.Count)
                break;
            partitions[i].Add(list[j]);
        }
        k += maxSize;
    }
 
    return partitions;
}