Del Norte Elementary (Data source)
Source data for Del Norte 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 | 2009927 | 2393 | - | 2436 | = | -43 | * | (109 | / | 313) | = | -14.97444087 | ||
| 4 | 2009929 | 2429 | - | 2485 | = | -56 | * | (108 | / | 313) | = | -19.32268369 | ||
| 5 | 2009930 | 2451 | - | 2528 | = | -77 | * | (96 | / | 313) | = | -23.61661341 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Del Norte Elementary | -58 | ||||||||||||
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 | 61824 | 2391 | - | 2436 | = | -45 | * | (88 | / | 300) | = | -13.19999999 | ||
| 4 | 61827 | 2416 | - | 2485 | = | -69 | * | (106 | / | 300) | = | -24.37999998 | ||
| 5 | 61828 | 2440 | - | 2528 | = | -88 | * | (106 | / | 300) | = | -31.0933333 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Del Norte Elementary | -69 | ||||||||||||
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 | 63615 | 2400 | - | 2436 | = | -36 | * | (99 | / | 290) | = | -12.28965516 | ||
| 4 | 63616 | 2418 | - | 2485 | = | -67 | * | (88 | / | 290) | = | -20.33103443 | ||
| 5 | 63619 | 2439 | - | 2528 | = | -89 | * | (103 | / | 290) | = | -31.61034476 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Del Norte Elementary | -64 | ||||||||||||
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 | 63718 | 2401 | - | 2436 | = | -35 | * | (83 | / | 269) | = | -10.79925648 | ||
| 4 | 63720 | 2436 | - | 2485 | = | -49 | * | (93 | / | 269) | = | -16.94052044 | ||
| 5 | 63722 | 2438 | - | 2528 | = | -90 | * | (92 | / | 269) | = | -30.78066906 | ||
| 6 | 63724 | 0 | - | 2552 | = | * | (0 | / | 269) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Del Norte Elementary | -59 | ||||||||||||
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 | 63988 | 2396 | - | 2436 | = | -40 | * | (85 | / | 268) | = | -12.68656716 | ||
| 4 | 63989 | 2453 | - | 2485 | = | -32 | * | (85 | / | 268) | = | -10.14925373 | ||
| 5 | 63990 | 2457 | - | 2528 | = | -71 | * | (92 | / | 268) | = | -24.37313432 | ||
| 6 | 63991 | 0 | - | 2552 | = | * | (6 | / | 268) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Del Norte Elementary | -47 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -58 | -69 | -64 | -59 | -47 | -297.0 | -59.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -83.4
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 | 93% | 91% | 86% | 85% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ontario-Montclair school district | County of San Bernardino
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.
Del Norte Elementary math proficiency
Zero+ meets standard.
84% less $meal
83% less $meal
78% less $meal
81% less $meal
84% 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.