ASCEND (Data source)
Source data for ASCEND
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 | 100201 | 2374 | - | 2436 | = | -62 | * | (48 | / | 289) | = | -10.29757783 | ||
| 4 | 100204 | 2417 | - | 2485 | = | -68 | * | (48 | / | 289) | = | -11.29411762 | ||
| 5 | 100205 | 2490 | - | 2528 | = | -38 | * | (48 | / | 289) | = | -6.31141867 | ||
| 6 | 100208 | 2501 | - | 2552 | = | -51 | * | (48 | / | 289) | = | -8.47058822 | ||
| 7 | 100209 | 2505 | - | 2567 | = | -62 | * | (48 | / | 289) | = | -10.29757783 | ||
| 8 | 100212 | 2503 | - | 2586 | = | -83 | * | (49 | / | 289) | = | -14.07266436 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for ASCEND | -61 | ||||||||||||
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 | 2846 | 2383 | - | 2436 | = | -53 | * | (50 | / | 293) | = | -9.04436859 | ||
| 4 | 2847 | 2424 | - | 2485 | = | -61 | * | (50 | / | 293) | = | -10.4095563 | ||
| 5 | 2850 | 2485 | - | 2528 | = | -43 | * | (51 | / | 293) | = | -7.48464162 | ||
| 6 | 2852 | 2470 | - | 2552 | = | -82 | * | (43 | / | 293) | = | -12.03412968 | ||
| 7 | 2854 | 2493 | - | 2567 | = | -74 | * | (49 | / | 293) | = | -12.37542656 | ||
| 8 | 2856 | 2502 | - | 2586 | = | -84 | * | (50 | / | 293) | = | -14.33447098 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for ASCEND | -66 | ||||||||||||
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 | 2919 | 2390 | - | 2436 | = | -46 | * | (52 | / | 309) | = | -7.74110029 | ||
| 4 | 2922 | 2431 | - | 2485 | = | -54 | * | (51 | / | 309) | = | -8.91262132 | ||
| 5 | 2923 | 2459 | - | 2528 | = | -69 | * | (54 | / | 309) | = | -12.05825239 | ||
| 6 | 2925 | 2488 | - | 2552 | = | -64 | * | (52 | / | 309) | = | -10.7702265 | ||
| 7 | 2928 | 2522 | - | 2567 | = | -45 | * | (48 | / | 309) | = | -6.99029123 | ||
| 8 | 2929 | 2557 | - | 2586 | = | -29 | * | (52 | / | 309) | = | -4.88025888 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for ASCEND | -51 | ||||||||||||
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 | 2921 | 2383 | - | 2436 | = | -53 | * | (53 | / | 312) | = | -9.00320508 | ||
| 4 | 2924 | 2453 | - | 2485 | = | -32 | * | (51 | / | 312) | = | -5.23076922 | ||
| 5 | 2925 | 2473 | - | 2528 | = | -55 | * | (53 | / | 312) | = | -9.34294867 | ||
| 6 | 2928 | 2499 | - | 2552 | = | -53 | * | (51 | / | 312) | = | -8.66346151 | ||
| 7 | 2929 | 2535 | - | 2567 | = | -32 | * | (53 | / | 312) | = | -5.43589741 | ||
| 8 | 2932 | 2573 | - | 2586 | = | -13 | * | (51 | / | 312) | = | -2.12499999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for ASCEND | -40 | ||||||||||||
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 | 2948 | 2408 | - | 2436 | = | -28 | * | (51 | / | 311) | = | -4.59163986 | ||
| 4 | 2949 | 2462 | - | 2485 | = | -23 | * | (52 | / | 311) | = | -3.84565916 | ||
| 5 | 2950 | 2443 | - | 2528 | = | -85 | * | (52 | / | 311) | = | -14.21221862 | ||
| 6 | 2951 | 2493 | - | 2552 | = | -59 | * | (52 | / | 311) | = | -9.86495175 | ||
| 7 | 2952 | 2523 | - | 2567 | = | -44 | * | (53 | / | 311) | = | -7.49839226 | ||
| 8 | 2953 | 2583 | - | 2586 | = | -3 | * | (51 | / | 311) | = | -0.49196141 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for ASCEND | -41 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -61 | -66 | -51 | -40 | -41 | -259.0 | -51.8 |
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 | 93% | 90% | 81% | 87% | 85% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oakland 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.
