Discovery Charter (Data source)
Source data for Discovery Charter
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 |
||
3 | 2140680 | 2460 | - | 2436 | = | 24 | * | (146 | / | 581) | = | 6.03098105 | ||
4 | 2140681 | 2526 | - | 2485 | = | 41 | * | (107 | / | 581) | = | 7.55077451 | ||
5 | 2140683 | 2533 | - | 2528 | = | 5 | * | (115 | / | 581) | = | 0.98967298 | ||
6 | 2140685 | 2574 | - | 2552 | = | 22 | * | (118 | / | 581) | = | 4.46815833 | ||
7 | 2140688 | 2576 | - | 2567 | = | 9 | * | (55 | / | 581) | = | 0.85197934 | ||
8 | 2140689 | 2660 | - | 2586 | = | 74 | * | (40 | / | 581) | = | 5.09466431 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Discovery Charter | 25 |
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 |
||
3 | 65713 | 2472 | - | 2436 | = | 36 | * | (103 | / | 577) | = | 6.42634315 | ||
4 | 65715 | 2508 | - | 2485 | = | 23 | * | (148 | / | 577) | = | 5.89948006 | ||
5 | 65716 | 2564 | - | 2528 | = | 36 | * | (114 | / | 577) | = | 7.11265162 | ||
6 | 65718 | 2576 | - | 2552 | = | 24 | * | (113 | / | 577) | = | 4.7001733 | ||
7 | 65720 | 2580 | - | 2567 | = | 13 | * | (51 | / | 577) | = | 1.14904678 | ||
8 | 65722 | 2626 | - | 2586 | = | 40 | * | (48 | / | 577) | = | 3.32755632 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Discovery Charter | 29 |
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 |
||
3 | 67530 | 2463 | - | 2436 | = | 27 | * | (104 | / | 563) | = | 4.9875666 | ||
4 | 67533 | 2506 | - | 2485 | = | 21 | * | (111 | / | 563) | = | 4.1403197 | ||
5 | 67535 | 2529 | - | 2528 | = | 1 | * | (146 | / | 563) | = | 0.25932504 | ||
6 | 67536 | 2610 | - | 2552 | = | 58 | * | (116 | / | 563) | = | 11.95026641 | ||
7 | 67538 | 2613 | - | 2567 | = | 46 | * | (44 | / | 563) | = | 3.59502664 | ||
8 | 67540 | 2669 | - | 2586 | = | 83 | * | (42 | / | 563) | = | 6.19182947 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Discovery Charter | 31 |
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 |
||
3 | 67636 | 2485 | - | 2436 | = | 49 | * | (108 | / | 575) | = | 9.20347821 | ||
4 | 67639 | 2505 | - | 2485 | = | 20 | * | (113 | / | 575) | = | 3.93043478 | ||
5 | 67640 | 2523 | - | 2528 | = | -5 | * | (120 | / | 575) | = | -1.04347826 | ||
6 | 67643 | 2580 | - | 2552 | = | 28 | * | (143 | / | 575) | = | 6.96347826 | ||
7 | 67644 | 2635 | - | 2567 | = | 68 | * | (50 | / | 575) | = | 5.91304343 | ||
8 | 67647 | 2645 | - | 2586 | = | 59 | * | (41 | / | 575) | = | 4.20695647 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Discovery Charter | 29 |
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 |
||
3 | 68154 | 2493 | - | 2436 | = | 57 | * | (114 | / | 565) | = | 11.50088493 | ||
4 | 68155 | 2523 | - | 2485 | = | 38 | * | (108 | / | 565) | = | 7.2637168 | ||
5 | 68156 | 2528 | - | 2528 | = | 0 | * | (111 | / | 565) | = | 0.0 | ||
6 | 68157 | 2581 | - | 2552 | = | 29 | * | (123 | / | 565) | = | 6.31327434 | ||
7 | 68158 | 2613 | - | 2567 | = | 46 | * | (56 | / | 565) | = | 4.55929202 | ||
8 | 68159 | 2668 | - | 2586 | = | 82 | * | (53 | / | 565) | = | 7.69203534 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Discovery Charter | 37 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
25 | 29 | 31 | 29 | 37 | 151.0 | 30.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
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 | 32% | 30% | 27% | 34% | 33% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Chula Vista Elementary school district County of San Diego
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.