Carver Elementary (Data source)
Source data for Carver Elementary
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 | 1166040 | 2406 | - | 2436 | = | -30 | * | (54 | / | 224) | = | -7.23214284 | ||
| 4 | 1166041 | 2398 | - | 2485 | = | -87 | * | (62 | / | 224) | = | -24.08035712 | ||
| 5 | 1166044 | 2428 | - | 2528 | = | -100 | * | (56 | / | 224) | = | -25.0 | ||
| 6 | 1166045 | 2500 | - | 2552 | = | -52 | * | (27 | / | 224) | = | -6.26785713 | ||
| 7 | 1166048 | 2540 | - | 2567 | = | -27 | * | (25 | / | 224) | = | -3.01339283 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Carver Elementary | -66 | ||||||||||||
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 | 36314 | 2423 | - | 2436 | = | -13 | * | (47 | / | 286) | = | -2.13636363 | ||
| 4 | 36316 | 2426 | - | 2485 | = | -59 | * | (68 | / | 286) | = | -14.02797198 | ||
| 5 | 36317 | 2447 | - | 2528 | = | -81 | * | (64 | / | 286) | = | -18.12587406 | ||
| 6 | 36320 | 2432 | - | 2552 | = | -120 | * | (45 | / | 286) | = | -18.88111884 | ||
| 7 | 36321 | 2520 | - | 2567 | = | -47 | * | (29 | / | 286) | = | -4.76573425 | ||
| 8 | 36323 | 2518 | - | 2586 | = | -68 | * | (33 | / | 286) | = | -7.84615382 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Carver Elementary | -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 | 37075 | 2421 | - | 2436 | = | -15 | * | (62 | / | 287) | = | -3.24041811 | ||
| 4 | 37077 | 2420 | - | 2485 | = | -65 | * | (50 | / | 287) | = | -11.32404176 | ||
| 5 | 37080 | 2449 | - | 2528 | = | -79 | * | (69 | / | 287) | = | -18.99303132 | ||
| 6 | 37082 | 2444 | - | 2552 | = | -108 | * | (47 | / | 287) | = | -17.68641113 | ||
| 7 | 37083 | 2476 | - | 2567 | = | -91 | * | (32 | / | 287) | = | -10.14634139 | ||
| 8 | 37086 | 2567 | - | 2586 | = | -19 | * | (27 | / | 287) | = | -1.78745645 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Carver Elementary | -63 | ||||||||||||
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 | 37047 | 2391 | - | 2436 | = | -45 | * | (54 | / | 328) | = | -7.40853657 | ||
| 4 | 37050 | 2400 | - | 2485 | = | -85 | * | (67 | / | 328) | = | -17.36280482 | ||
| 5 | 37051 | 2453 | - | 2528 | = | -75 | * | (53 | / | 328) | = | -12.11890238 | ||
| 6 | 37054 | 2442 | - | 2552 | = | -110 | * | (60 | / | 328) | = | -20.12195119 | ||
| 7 | 37055 | 2436 | - | 2567 | = | -131 | * | (52 | / | 328) | = | -20.76829264 | ||
| 8 | 37058 | 2491 | - | 2586 | = | -95 | * | (42 | / | 328) | = | -12.1646341 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Carver Elementary | -90 | ||||||||||||
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 | 37253 | 2434 | - | 2436 | = | -2 | * | (51 | / | 272) | = | -0.375 | ||
| 4 | 37254 | 2437 | - | 2485 | = | -48 | * | (48 | / | 272) | = | -8.47058822 | ||
| 5 | 37255 | 2457 | - | 2528 | = | -71 | * | (56 | / | 272) | = | -14.61764699 | ||
| 6 | 37256 | 2409 | - | 2552 | = | -143 | * | (32 | / | 272) | = | -16.82352929 | ||
| 7 | 37257 | 2467 | - | 2567 | = | -100 | * | (42 | / | 272) | = | -15.4411764 | ||
| 8 | 37258 | 2502 | - | 2586 | = | -84 | * | (43 | / | 272) | = | -13.27941174 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Carver Elementary | -69 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -66 | -66 | -63 | -90 | -69 | -354.0 | -70.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -40.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -100.8
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 | 78% | 91% | 80% | 88% | 83% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Compton Unified school district | County of Los Angeles
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.
Carver Elementary math proficiency
Zero+ meets standard.
75% less $meal
87% less $meal
76% less $meal
85% less $meal
81% 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.