Calabasas Elementary (Data source)
Source data for Calabasas 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 | 2748729 | 2371 | - | 2436 | = | -65 | * | (91 | / | 292) | = | -20.25684928 | ||
| 4 | 2748732 | 2399 | - | 2485 | = | -86 | * | (79 | / | 292) | = | -23.26712327 | ||
| 5 | 2748733 | 2403 | - | 2528 | = | -125 | * | (79 | / | 292) | = | -33.81849313 | ||
| 6 | 2748736 | 2469 | - | 2552 | = | -83 | * | (43 | / | 292) | = | -12.22260266 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Calabasas Elementary | -90 | ||||||||||||
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 | 83598 | 2380 | - | 2436 | = | -56 | * | (96 | / | 305) | = | -17.62622949 | ||
| 4 | 83601 | 2403 | - | 2485 | = | -82 | * | (82 | / | 305) | = | -22.04590164 | ||
| 5 | 83602 | 2420 | - | 2528 | = | -108 | * | (81 | / | 305) | = | -28.68196716 | ||
| 6 | 83605 | 2460 | - | 2552 | = | -92 | * | (46 | / | 305) | = | -13.87540982 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Calabasas Elementary | -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 | 85915 | 2371 | - | 2436 | = | -65 | * | (90 | / | 343) | = | -17.05539355 | ||
| 4 | 85916 | 2398 | - | 2485 | = | -87 | * | (96 | / | 343) | = | -24.34985415 | ||
| 5 | 85919 | 2404 | - | 2528 | = | -124 | * | (93 | / | 343) | = | -33.62099122 | ||
| 6 | 85921 | 2464 | - | 2552 | = | -88 | * | (64 | / | 343) | = | -16.41982505 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Calabasas Elementary | -91 | ||||||||||||
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 | 86145 | 2370 | - | 2436 | = | -66 | * | (96 | / | 332) | = | -19.08433732 | ||
| 4 | 86148 | 2407 | - | 2485 | = | -78 | * | (81 | / | 332) | = | -19.03012043 | ||
| 5 | 86149 | 2426 | - | 2528 | = | -102 | * | (98 | / | 332) | = | -30.10843364 | ||
| 6 | 86152 | 2480 | - | 2552 | = | -72 | * | (57 | / | 332) | = | -12.36144571 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Calabasas Elementary | -81 | ||||||||||||
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 | 86743 | 2377 | - | 2436 | = | -59 | * | (84 | / | 310) | = | -15.98709672 | ||
| 4 | 86744 | 2420 | - | 2485 | = | -65 | * | (90 | / | 310) | = | -18.8709677 | ||
| 5 | 86745 | 2427 | - | 2528 | = | -101 | * | (79 | / | 310) | = | -25.73870961 | ||
| 6 | 86746 | 2493 | - | 2552 | = | -59 | * | (57 | / | 310) | = | -10.84838705 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Calabasas Elementary | -71 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -90 | -82 | -91 | -81 | -71 | -415.0 | -83.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -59.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.0
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 | 92% | 93% | 54% | 83% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pajaro Valley Unified school district | County of Santa Cruz
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.
Calabasas Elementary math proficiency
Zero+ meets standard.
87% less $meal
87% less $meal
54% less $meal
80% less $meal
78% 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.