Emilie Ritchen Elementary (Data source)
Source data for Emilie Ritchen 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 | 3122071 | 2356 | - | 2436 | = | -80 | * | (118 | / | 295) | = | -32.0 | ||
| 4 | 3122072 | 2418 | - | 2485 | = | -67 | * | (82 | / | 295) | = | -18.62372877 | ||
| 5 | 3122075 | 2424 | - | 2528 | = | -104 | * | (95 | / | 295) | = | -33.49152539 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Emilie Ritchen Elementary | -84 | ||||||||||||
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 | 96300 | 2379 | - | 2436 | = | -57 | * | (117 | / | 307) | = | -21.72312699 | ||
| 4 | 96303 | 2402 | - | 2485 | = | -83 | * | (101 | / | 307) | = | -27.30618892 | ||
| 5 | 96304 | 2426 | - | 2528 | = | -102 | * | (89 | / | 307) | = | -29.57003256 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Emilie Ritchen Elementary | -79 | ||||||||||||
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 | 99088 | 2377 | - | 2436 | = | -59 | * | (88 | / | 310) | = | -16.74838705 | ||
| 4 | 99090 | 2399 | - | 2485 | = | -86 | * | (118 | / | 310) | = | -32.73548385 | ||
| 5 | 99092 | 2402 | - | 2528 | = | -126 | * | (104 | / | 310) | = | -42.27096762 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Emilie Ritchen Elementary | -92 | ||||||||||||
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 | 99242 | 2392 | - | 2436 | = | -44 | * | (90 | / | 283) | = | -13.99293284 | ||
| 4 | 99244 | 2425 | - | 2485 | = | -60 | * | (81 | / | 283) | = | -17.17314486 | ||
| 5 | 99246 | 2417 | - | 2528 | = | -111 | * | (112 | / | 283) | = | -43.92932859 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Emilie Ritchen Elementary | -75 | ||||||||||||
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 | 99909 | 2406 | - | 2436 | = | -30 | * | (99 | / | 277) | = | -10.72202166 | ||
| 4 | 99910 | 2434 | - | 2485 | = | -51 | * | (89 | / | 277) | = | -16.38628154 | ||
| 5 | 99911 | 2450 | - | 2528 | = | -78 | * | (89 | / | 277) | = | -25.06137176 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Emilie Ritchen Elementary | -52 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -84 | -79 | -92 | -75 | -52 | -382.0 | -76.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -31.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -121.4
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 | 79% | 78% | 74% | 76% | 60% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oxnard 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.
Emilie Ritchen Elementary math proficiency
Zero+ meets standard.
64% less $meal
63% less $meal
64% less $meal
65% less $meal
52% 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.