Barbara Webster Elementary (Data source)
Source data for Barbara Webster 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 | 3166379 | 2396 | - | 2436 | = | -40 | * | (81 | / | 211) | = | -15.3554502 | ||
| 4 | 3166382 | 2436 | - | 2485 | = | -49 | * | (55 | / | 211) | = | -12.77251184 | ||
| 5 | 3166384 | 2449 | - | 2528 | = | -79 | * | (75 | / | 211) | = | -28.08056864 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Barbara Webster Elementary | -56 | ||||||||||||
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 | 97567 | 2395 | - | 2436 | = | -41 | * | (63 | / | 199) | = | -12.97989947 | ||
| 4 | 97568 | 2451 | - | 2485 | = | -34 | * | (83 | / | 199) | = | -14.18090452 | ||
| 5 | 97570 | 2442 | - | 2528 | = | -86 | * | (53 | / | 199) | = | -22.90452259 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Barbara Webster Elementary | -50 | ||||||||||||
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 | 100402 | 2405 | - | 2436 | = | -31 | * | (51 | / | 190) | = | -8.32105261 | ||
| 4 | 100404 | 2442 | - | 2485 | = | -43 | * | (61 | / | 190) | = | -13.80526313 | ||
| 5 | 100406 | 2468 | - | 2528 | = | -60 | * | (78 | / | 190) | = | -24.6315789 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Barbara Webster Elementary | -47 | ||||||||||||
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 | 100563 | 2436 | - | 2436 | = | 0 | * | (57 | / | 166) | = | 0.0 | ||
| 4 | 100565 | 2446 | - | 2485 | = | -39 | * | (51 | / | 166) | = | -11.98192769 | ||
| 5 | 100567 | 2439 | - | 2528 | = | -89 | * | (58 | / | 166) | = | -31.09638551 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Barbara Webster Elementary | -43 | ||||||||||||
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 | 101217 | 2453 | - | 2436 | = | 17 | * | (50 | / | 159) | = | 5.34591194 | ||
| 4 | 101218 | 2458 | - | 2485 | = | -27 | * | (57 | / | 159) | = | -9.67924528 | ||
| 5 | 101219 | 2459 | - | 2528 | = | -69 | * | (52 | / | 159) | = | -22.56603773 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Barbara Webster Elementary | -27 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -56 | -50 | -47 | -43 | -27 | -223.0 | -44.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -14.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.6
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 | 91% | 90% | 90% | 93% | 91% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Paula Unified school district | County of Ventura
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.
Barbara Webster Elementary math proficiency
Zero+ meets standard.
81% less $meal
79% less $meal
77% less $meal
82% less $meal
83% 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 Santa Paula Unified (6)
| Barbara Webster Elementary | Blanchard Elementary | Glen City Elementary |
| Grace Thille Elementary | McKevett Elementary | Thelma Bedell Elementary |