Calistoga Elementary (Data source)
Source data for Calistoga 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 | 1380224 | 2425 | - | 2436 | = | -11 | * | (71 | / | 270) | = | -2.89259258 | ||
| 4 | 1380227 | 2438 | - | 2485 | = | -47 | * | (74 | / | 270) | = | -12.88148148 | ||
| 5 | 1380228 | 2489 | - | 2528 | = | -39 | * | (63 | / | 270) | = | -9.09999999 | ||
| 6 | 1380231 | 2556 | - | 2552 | = | 4 | * | (62 | / | 270) | = | 0.91851852 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Calistoga Elementary | -24 | ||||||||||||
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 | 43479 | 2435 | - | 2436 | = | -1 | * | (63 | / | 271) | = | -0.23247232 | ||
| 4 | 43481 | 2443 | - | 2485 | = | -42 | * | (71 | / | 271) | = | -11.00369 | ||
| 5 | 43482 | 2477 | - | 2528 | = | -51 | * | (78 | / | 271) | = | -14.67896678 | ||
| 6 | 43484 | 2539 | - | 2552 | = | -13 | * | (59 | / | 271) | = | -2.8302583 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Calistoga Elementary | -29 | ||||||||||||
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 | 44547 | 2413 | - | 2436 | = | -23 | * | (62 | / | 270) | = | -5.28148147 | ||
| 4 | 44549 | 2485 | - | 2485 | = | 0 | * | (64 | / | 270) | = | 0.0 | ||
| 5 | 44552 | 2466 | - | 2528 | = | -62 | * | (67 | / | 270) | = | -15.38518518 | ||
| 6 | 44553 | 2536 | - | 2552 | = | -16 | * | (77 | / | 270) | = | -4.56296296 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Calistoga Elementary | -25 | ||||||||||||
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 | 44563 | 2414 | - | 2436 | = | -22 | * | (61 | / | 263) | = | -5.10266159 | ||
| 4 | 44564 | 2444 | - | 2485 | = | -41 | * | (62 | / | 263) | = | -9.6653992 | ||
| 5 | 44567 | 2530 | - | 2528 | = | 2 | * | (66 | / | 263) | = | 0.50190114 | ||
| 6 | 44568 | 2519 | - | 2552 | = | -33 | * | (74 | / | 263) | = | -9.28517109 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Calistoga Elementary | -24 | ||||||||||||
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 | 44702 | 2438 | - | 2436 | = | 2 | * | (69 | / | 257) | = | 0.53696498 | ||
| 4 | 44703 | 2462 | - | 2485 | = | -23 | * | (63 | / | 257) | = | -5.63813228 | ||
| 5 | 44704 | 2499 | - | 2528 | = | -29 | * | (61 | / | 257) | = | -6.88326847 | ||
| 6 | 44705 | 2558 | - | 2552 | = | 6 | * | (64 | / | 257) | = | 1.49416342 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Calistoga Elementary | -10 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -24 | -29 | -25 | -24 | -10 | -112.0 | -22.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -43.4
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 | 74% | 60% | 71% | 77% | 72% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Calistoga Joint Unified school district | County of Napa
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.
Calistoga Elementary math proficiency
Zero+ meets standard.
57% less $meal
46% less $meal
53% less $meal
65% less $meal
61% 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.
Elementary School (Public) schools in Calistoga Joint Unified (1)
| Calistoga Elementary |