Rios Elementary (Data source)
Source data for Rios 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 | 2122171 | 2383 | - | 2436 | = | -53 | * | (38 | / | 115) | = | -17.51304345 | ||
| 4 | 2122172 | 2481 | - | 2485 | = | -4 | * | (27 | / | 115) | = | -0.93913043 | ||
| 5 | 2122175 | 2480 | - | 2528 | = | -48 | * | (50 | / | 115) | = | -20.86956518 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rios Elementary | -39 | ||||||||||||
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 | 65174 | 2411 | - | 2436 | = | -25 | * | (44 | / | 134) | = | -8.2089552 | ||
| 4 | 65176 | 2412 | - | 2485 | = | -73 | * | (52 | / | 134) | = | -28.32835817 | ||
| 5 | 65179 | 2482 | - | 2528 | = | -46 | * | (38 | / | 134) | = | -13.04477609 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rios 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 | 66991 | 2396 | - | 2436 | = | -40 | * | (50 | / | 158) | = | -12.65822784 | ||
| 4 | 66993 | 2442 | - | 2485 | = | -43 | * | (49 | / | 158) | = | -13.33544303 | ||
| 5 | 66995 | 2407 | - | 2528 | = | -121 | * | (59 | / | 158) | = | -45.18354424 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rios Elementary | -71 | ||||||||||||
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 | 67094 | 2399 | - | 2436 | = | -37 | * | (60 | / | 173) | = | -12.83236993 | ||
| 4 | 67096 | 2424 | - | 2485 | = | -61 | * | (54 | / | 173) | = | -19.04046241 | ||
| 5 | 67098 | 2456 | - | 2528 | = | -72 | * | (59 | / | 173) | = | -24.55491326 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rios Elementary | -56 | ||||||||||||
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 | 67591 | 2402 | - | 2436 | = | -34 | * | (53 | / | 173) | = | -10.41618495 | ||
| 4 | 67592 | 2439 | - | 2485 | = | -46 | * | (59 | / | 173) | = | -15.68786125 | ||
| 5 | 67593 | 2445 | - | 2528 | = | -83 | * | (61 | / | 173) | = | -29.26589595 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rios Elementary | -55 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -39 | -50 | -71 | -56 | -55 | -271.0 | -54.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -87.2
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 | 70% | 72% | 76% | 64% | 68% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Cajon Valley Union school district | County of San Diego
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.
Rios Elementary math proficiency
Zero+ meets standard.
55% less $meal
59% less $meal
60% less $meal
52% less $meal
56% 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.