Sonora Elementary (Data source)
Source data for Sonora 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 | 1502203 | 2412 | - | 2436 | = | -24 | * | (91 | / | 290) | = | -7.53103447 | ||
| 4 | 1502206 | 2482 | - | 2485 | = | -3 | * | (66 | / | 290) | = | -0.68275862 | ||
| 5 | 1502207 | 2455 | - | 2528 | = | -73 | * | (61 | / | 290) | = | -15.35517237 | ||
| 6 | 1502210 | 2507 | - | 2552 | = | -45 | * | (72 | / | 290) | = | -11.17241379 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sonora Elementary | -35 | ||||||||||||
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 | 47095 | 2417 | - | 2436 | = | -19 | * | (73 | / | 290) | = | -4.7827586 | ||
| 4 | 47097 | 2497 | - | 2485 | = | 12 | * | (90 | / | 290) | = | 3.72413792 | ||
| 5 | 47099 | 2498 | - | 2528 | = | -30 | * | (62 | / | 290) | = | -6.41379309 | ||
| 6 | 47100 | 2511 | - | 2552 | = | -41 | * | (65 | / | 290) | = | -9.18965517 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sonora Elementary | -17 | ||||||||||||
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 | 48380 | 2438 | - | 2436 | = | 2 | * | (75 | / | 300) | = | 0.5 | ||
| 4 | 48383 | 2478 | - | 2485 | = | -7 | * | (71 | / | 300) | = | -1.65666666 | ||
| 5 | 48385 | 2504 | - | 2528 | = | -24 | * | (94 | / | 300) | = | -7.51999999 | ||
| 6 | 48386 | 2528 | - | 2552 | = | -24 | * | (60 | / | 300) | = | -4.8 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sonora Elementary | -13 | ||||||||||||
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 | 48391 | 2445 | - | 2436 | = | 9 | * | (50 | / | 270) | = | 1.66666667 | ||
| 4 | 48393 | 2501 | - | 2485 | = | 16 | * | (65 | / | 270) | = | 3.85185184 | ||
| 5 | 48395 | 2482 | - | 2528 | = | -46 | * | (68 | / | 270) | = | -11.58518515 | ||
| 6 | 48397 | 2547 | - | 2552 | = | -5 | * | (87 | / | 270) | = | -1.61111111 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sonora Elementary | -8 | ||||||||||||
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 | 48610 | 2447 | - | 2436 | = | 11 | * | (72 | / | 244) | = | 3.24590164 | ||
| 4 | 48611 | 2544 | - | 2485 | = | 59 | * | (50 | / | 244) | = | 12.09016389 | ||
| 5 | 48612 | 2525 | - | 2528 | = | -3 | * | (59 | / | 244) | = | -0.72540983 | ||
| 6 | 48613 | 2519 | - | 2552 | = | -33 | * | (63 | / | 244) | = | -8.52049179 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sonora Elementary | 6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -35 | -17 | -13 | -8 | 6 | -67.0 | -13.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 28.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.4
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 | 78% | 77% | 72% | 76% | 75% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Newport-Mesa Unified school district | County of Orange
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.
Sonora Elementary math proficiency
Zero+ meets standard.
65% less $meal
65% less $meal
61% less $meal
68% less $meal
69% 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.