Cabrillo Point Academy (Data source)
Source data for Cabrillo Point Academy
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 | 65935 | 2376 | - | 2436 | = | -60 | * | (100 | / | 634) | = | -9.46372236 | ||
| 4 | 65936 | 2422 | - | 2485 | = | -63 | * | (94 | / | 634) | = | -9.34069399 | ||
| 5 | 65939 | 2454 | - | 2528 | = | -74 | * | (101 | / | 634) | = | -11.78864348 | ||
| 6 | 65940 | 2464 | - | 2552 | = | -88 | * | (95 | / | 634) | = | -13.18611985 | ||
| 7 | 65943 | 2486 | - | 2567 | = | -81 | * | (90 | / | 634) | = | -11.49842264 | ||
| 8 | 65944 | 2493 | - | 2586 | = | -93 | * | (90 | / | 634) | = | -13.20189266 | ||
| 11 | 65946 | 2499 | - | 2628 | = | -129 | * | (64 | / | 634) | = | -13.02208199 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cabrillo Point Academy | -82 | ||||||||||||
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 | 67756 | 2385 | - | 2436 | = | -51 | * | (242 | / | 1336) | = | -9.23802392 | ||
| 4 | 67758 | 2428 | - | 2485 | = | -57 | * | (230 | / | 1336) | = | -9.81287422 | ||
| 5 | 67761 | 2437 | - | 2528 | = | -91 | * | (206 | / | 1336) | = | -14.03143706 | ||
| 6 | 67763 | 2475 | - | 2552 | = | -77 | * | (192 | / | 1336) | = | -11.0658682 | ||
| 7 | 67764 | 2492 | - | 2567 | = | -75 | * | (196 | / | 1336) | = | -11.00299395 | ||
| 8 | 67766 | 2500 | - | 2586 | = | -86 | * | (189 | / | 1336) | = | -12.16616759 | ||
| 11 | 67769 | 2482 | - | 2628 | = | -146 | * | (81 | / | 1336) | = | -8.85179633 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cabrillo Point Academy | -76 | ||||||||||||
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 | 67864 | 2389 | - | 2436 | = | -47 | * | (340 | / | 1941) | = | -8.23286963 | ||
| 4 | 67866 | 2423 | - | 2485 | = | -62 | * | (355 | / | 1941) | = | -11.33951567 | ||
| 5 | 67868 | 2442 | - | 2528 | = | -86 | * | (328 | / | 1941) | = | -14.53271507 | ||
| 6 | 67870 | 2473 | - | 2552 | = | -79 | * | (316 | / | 1941) | = | -12.86141164 | ||
| 7 | 67872 | 2502 | - | 2567 | = | -65 | * | (287 | / | 1941) | = | -9.61102519 | ||
| 8 | 67874 | 2512 | - | 2586 | = | -74 | * | (212 | / | 1941) | = | -8.0824317 | ||
| 11 | 67876 | 2503 | - | 2628 | = | -125 | * | (103 | / | 1941) | = | -6.63317875 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cabrillo Point Academy | -71 | ||||||||||||
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 | 68365 | 2381 | - | 2436 | = | -55 | * | (345 | / | 1961) | = | -9.67618559 | ||
| 4 | 68366 | 2423 | - | 2485 | = | -62 | * | (316 | / | 1961) | = | -9.99082099 | ||
| 5 | 68367 | 2439 | - | 2528 | = | -89 | * | (339 | / | 1961) | = | -15.38551758 | ||
| 6 | 68368 | 2459 | - | 2552 | = | -93 | * | (319 | / | 1961) | = | -15.12850586 | ||
| 7 | 68369 | 2494 | - | 2567 | = | -73 | * | (307 | / | 1961) | = | -11.42835287 | ||
| 8 | 68370 | 2507 | - | 2586 | = | -79 | * | (230 | / | 1961) | = | -9.26568074 | ||
| 11 | 68371 | 2543 | - | 2628 | = | -85 | * | (105 | / | 1961) | = | -4.55124935 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cabrillo Point Academy | -75 | ||||||||||||
Last steps
Compute the average
| 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|
| -82 | -76 | -71 | -75 | -304.0 | -76.0 |
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:
| 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|
| Percent | 30% | 26% | 35% | 34% |
| Data source | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Dehesa Elementary school district | County of San Diego
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.