Piedmont Middle (Data source)
Source data for Piedmont Middle
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 104098 | 2625 | - | 2552 | = | 73 | * | (225 | / | 625) | = | 26.28 | ||
7 | 104099 | 2630 | - | 2567 | = | 63 | * | (192 | / | 625) | = | 19.3536 | ||
8 | 104102 | 2663 | - | 2586 | = | 77 | * | (208 | / | 625) | = | 25.6256 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Piedmont Middle | 71 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 2938 | 2630 | - | 2552 | = | 78 | * | (245 | / | 666) | = | 28.69369363 | ||
7 | 2939 | 2658 | - | 2567 | = | 91 | * | (228 | / | 666) | = | 31.15315312 | ||
8 | 2941 | 2656 | - | 2586 | = | 70 | * | (193 | / | 666) | = | 20.28528523 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Piedmont Middle | 80 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 3020 | 2617 | - | 2552 | = | 65 | * | (202 | / | 684) | = | 19.19590641 | ||
7 | 3021 | 2664 | - | 2567 | = | 97 | * | (245 | / | 684) | = | 34.744152 | ||
8 | 3024 | 2670 | - | 2586 | = | 84 | * | (237 | / | 684) | = | 29.10526315 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Piedmont Middle | 83 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 3019 | 2624 | - | 2552 | = | 72 | * | (208 | / | 660) | = | 22.69090908 | ||
7 | 3022 | 2655 | - | 2567 | = | 88 | * | (210 | / | 660) | = | 27.99999998 | ||
8 | 3023 | 2683 | - | 2586 | = | 97 | * | (242 | / | 660) | = | 35.5666666 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Piedmont Middle | 86 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 3045 | 2633 | - | 2552 | = | 81 | * | (230 | / | 646) | = | 28.83900923 | ||
7 | 3046 | 2651 | - | 2567 | = | 84 | * | (209 | / | 646) | = | 27.17647052 | ||
8 | 3047 | 2678 | - | 2586 | = | 92 | * | (207 | / | 646) | = | 29.47987611 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Piedmont Middle | 85 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
71 | 80 | 83 | 86 | 85 | 405.0 | 81.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 99.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 63.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 1% | 0% | 1% | 2% | 2% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Piedmont City Unified school district | County of Alameda
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Piedmont Middle math proficiency
Zero+ meets standard.

1% less $meal

0% less $meal

1% less $meal

2% less $meal

2% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Intermediate/Middle Schools (Public) schools in Piedmont City Unified (1)
Piedmont Middle |