Antioch Charter Academy (Data source)
Source data for Antioch Charter Academy
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 | 185149 | 2353 | - | 2436 | = | -83 | * | (16 | / | 120) | = | -11.06666664 | ||
4 | 185152 | 2449 | - | 2485 | = | -36 | * | (22 | / | 120) | = | -6.59999999 | ||
5 | 185153 | 2494 | - | 2528 | = | -34 | * | (22 | / | 120) | = | -6.23333332 | ||
6 | 185156 | 2476 | - | 2552 | = | -76 | * | (19 | / | 120) | = | -12.03333331 | ||
7 | 185157 | 2517 | - | 2567 | = | -50 | * | (21 | / | 120) | = | -8.75 | ||
8 | 185160 | 2587 | - | 2586 | = | 1 | * | (20 | / | 120) | = | 0.16666667 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Antioch Charter Academy | -45 |
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 | 5549 | 2400 | - | 2436 | = | -36 | * | (20 | / | 122) | = | -5.90163934 | ||
4 | 5551 | 2409 | - | 2485 | = | -76 | * | (21 | / | 122) | = | -13.08196717 | ||
5 | 5554 | 2493 | - | 2528 | = | -35 | * | (19 | / | 122) | = | -5.45081964 | ||
6 | 5555 | 2523 | - | 2552 | = | -29 | * | (23 | / | 122) | = | -5.46721311 | ||
7 | 5558 | 2509 | - | 2567 | = | -58 | * | (18 | / | 122) | = | -8.55737701 | ||
8 | 5560 | 2559 | - | 2586 | = | -27 | * | (21 | / | 122) | = | -4.64754097 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Antioch Charter Academy | -43 |
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 | 5686 | 2406 | - | 2436 | = | -30 | * | (21 | / | 123) | = | -5.12195121 | ||
4 | 5687 | 2448 | - | 2485 | = | -37 | * | (19 | / | 123) | = | -5.71544713 | ||
5 | 5690 | 2461 | - | 2528 | = | -67 | * | (24 | / | 123) | = | -13.07317072 | ||
6 | 5691 | 2551 | - | 2552 | = | -1 | * | (18 | / | 123) | = | -0.14634146 | ||
7 | 5693 | 2590 | - | 2567 | = | 23 | * | (22 | / | 123) | = | 4.11382112 | ||
8 | 5695 | 2535 | - | 2586 | = | -51 | * | (19 | / | 123) | = | -7.87804874 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Antioch Charter Academy | -28 |
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 | 5679 | 2402 | - | 2436 | = | -34 | * | (20 | / | 123) | = | -5.52845528 | ||
4 | 5681 | 2462 | - | 2485 | = | -23 | * | (21 | / | 123) | = | -3.92682926 | ||
5 | 5683 | 2495 | - | 2528 | = | -33 | * | (19 | / | 123) | = | -5.09756095 | ||
6 | 5685 | 2499 | - | 2552 | = | -53 | * | (24 | / | 123) | = | -10.3414634 | ||
7 | 5687 | 2584 | - | 2567 | = | 17 | * | (17 | / | 123) | = | 2.34959349 | ||
8 | 5689 | 2583 | - | 2586 | = | -3 | * | (22 | / | 123) | = | -0.53658536 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Antioch Charter Academy | -23 |
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 | 5746 | 2430 | - | 2436 | = | -6 | * | (23 | / | 124) | = | -1.11290322 | ||
4 | 5747 | 2425 | - | 2485 | = | -60 | * | (19 | / | 124) | = | -9.19354836 | ||
5 | 5748 | 2513 | - | 2528 | = | -15 | * | (22 | / | 124) | = | -2.66129031 | ||
6 | 5749 | 2521 | - | 2552 | = | -31 | * | (22 | / | 124) | = | -5.49999997 | ||
7 | 5750 | 2532 | - | 2567 | = | -35 | * | (20 | / | 124) | = | -5.64516127 | ||
8 | 5751 | 2582 | - | 2586 | = | -4 | * | (18 | / | 124) | = | -0.58064516 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Antioch Charter Academy | -25 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-45 | -43 | -28 | -23 | -25 | -164.0 | -32.8 |
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 | 20% | 28% | 18% | 22% | 26% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Antioch Unified school district County of Contra Costa
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.