It can be a daunting task to keep track of all of the World Class corps as they make their way throughout the United States to perform at over 100 DCI shows. However, we've simplified it down to the 12 highest-scoring corps based on the specific data points listed. Before you dive into the numbers, please read through each of the points below the rankings that describes how each column applies to the ranking period. The World Class Weekly Rankings will come out each Thursday with the last one coming on the day of the 2017 DCI World Championship Prelims.

Ranking Period 1: June 22-28

Placement	Corps	Oldest Score	Newest Score	# of Shows	Total Increase	Change/Show	Placement Change*
1	Bluecoats	72.300	74.700	4	2.400	0.600	-
2	Carolina Crown	70.950	73.400	4	2.450	0.613	1+
3	The Cavaliers	70.150	72.600	5	2.450	0.490	2+
4	Blue Devils	71.750	72.000	2	0.250	0.125	-2
5	The Cadets	68.300	71.900	3	3.600	1.200	1+
6	Santa Clara Vanguard	70.050	71.050	2	1.000	0.500	-2
7	Boston Crusaders	68.150	69.500	3	1.350	0.450	5+
8	Crossmen	63.800	69.100	5	5.300	1.060	2+
9	Blue Knights	66.000	67.850	3	1.850	0.617	-2
10	Blue Stars	64.150	67.600	4	3.450	0.862	-1
11	Madison Scouts	64.200	67.100	3	2.900	0.967	2+
12	Phantom Regiment	64.650	66.700	3	2.050	0.683	-4

*Placement Changes for the first Ranking Period are notating the difference from placement in the 2016 DCI Finals.

Ranking Period:

The dates included in each week's rankings that lines the parameters for all data points considered within the weekly rankings, spanning from Thursday to the following Wednesday.

Placement:

Overall placement is solely based on the "Newest Score" column, listed from the highest "Newest Score" to lowest.

Corps:

Obviously.

Oldest Score:

This is the earliest score during each "Ranking Period." For example, considering the first ranking period ranges from June 22-28: If a corps doesn't have a show on June 22 but does on June 24, its "Oldest Score" will be from the latter date.

Newest Score:

This is the last score a corps receives before the "Ranking Period" ends. If a corps reaches a score during the week but then receives a lower score by the end of the "Ranking Period," the lower, more recent score will still be the "Newest Score."

# of Shows:

This is the number of judged performances a corps has completed during each "Ranking Period."

Total Increase:

This number notates the difference between "Oldest Score" and "Newest Score." Remember this may not always include the highest score a corps has received in any given "Ranking Period." This is because it will provide a better representation of the "bigger picture" of the corps' movement in score on a weekly basis.

Change/Show:

The averaged difference in score between each judged performance. Simply put: "Total Increase" divided by "# of Shows."

Placement Change:

A positive or negative number detailing the number of placements the corps has moved since the previous "Ranking Period."

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