Conejo Elementary (Data source)
Source data for Conejo 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 | 3155905 | 2416 | - | 2436 | = | -20 | * | (60 | / | 199) | = | -6.03015074 | ||
| 4 | 3155908 | 2439 | - | 2485 | = | -46 | * | (71 | / | 199) | = | -16.41206027 | ||
| 5 | 3155909 | 2448 | - | 2528 | = | -80 | * | (68 | / | 199) | = | -27.33668336 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Conejo Elementary | -50 | ||||||||||||
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 | 97258 | 2417 | - | 2436 | = | -19 | * | (72 | / | 205) | = | -6.67317073 | ||
| 4 | 97261 | 2431 | - | 2485 | = | -54 | * | (60 | / | 205) | = | -15.804878 | ||
| 5 | 97263 | 2457 | - | 2528 | = | -71 | * | (73 | / | 205) | = | -25.28292676 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Conejo Elementary | -48 | ||||||||||||
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 | 100083 | 2394 | - | 2436 | = | -42 | * | (62 | / | 187) | = | -13.92513368 | ||
| 4 | 100085 | 2434 | - | 2485 | = | -51 | * | (66 | / | 187) | = | -17.99999998 | ||
| 5 | 100088 | 2454 | - | 2528 | = | -74 | * | (59 | / | 187) | = | -23.34759355 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Conejo Elementary | -55 | ||||||||||||
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 | 100239 | 2398 | - | 2436 | = | -38 | * | (46 | / | 176) | = | -9.93181817 | ||
| 4 | 100240 | 2424 | - | 2485 | = | -61 | * | (65 | / | 176) | = | -22.52840904 | ||
| 5 | 100243 | 2443 | - | 2528 | = | -85 | * | (65 | / | 176) | = | -31.39204539 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Conejo Elementary | -64 | ||||||||||||
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 | 100903 | 2395 | - | 2436 | = | -41 | * | (64 | / | 175) | = | -14.99428569 | ||
| 4 | 100904 | 2405 | - | 2485 | = | -80 | * | (47 | / | 175) | = | -21.48571424 | ||
| 5 | 100905 | 2457 | - | 2528 | = | -71 | * | (64 | / | 175) | = | -25.96571424 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Conejo Elementary | -62 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -50 | -48 | -55 | -64 | -62 | -279.0 | -55.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -34.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.8
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 | 77% | 79% | 53% | 77% | 71% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Conejo Valley 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.
Conejo Elementary math proficiency
Zero+ meets standard.
70% less $meal
68% less $meal
50% less $meal
70% less $meal
65% 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.