Onaga Elementary (Data source)
Source data for Onaga 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 | 2002151 | 2409 | - | 2436 | = | -27 | * | (94 | / | 405) | = | -6.26666666 | ||
| 4 | 2002152 | 2450 | - | 2485 | = | -35 | * | (76 | / | 405) | = | -6.5679012 | ||
| 5 | 2002155 | 2463 | - | 2528 | = | -65 | * | (111 | / | 405) | = | -17.81481481 | ||
| 6 | 2002156 | 2544 | - | 2552 | = | -8 | * | (124 | / | 405) | = | -2.44938271 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Onaga Elementary | -33 | ||||||||||||
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 | 61569 | 2424 | - | 2436 | = | -12 | * | (82 | / | 383) | = | -2.56919059 | ||
| 4 | 61571 | 2455 | - | 2485 | = | -30 | * | (102 | / | 383) | = | -7.98955611 | ||
| 5 | 61572 | 2454 | - | 2528 | = | -74 | * | (88 | / | 383) | = | -17.00261096 | ||
| 6 | 61575 | 2502 | - | 2552 | = | -50 | * | (111 | / | 383) | = | -14.4908616 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Onaga Elementary | -42 | ||||||||||||
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 | 63348 | 2400 | - | 2436 | = | -36 | * | (86 | / | 378) | = | -8.19047617 | ||
| 4 | 63351 | 2440 | - | 2485 | = | -45 | * | (90 | / | 378) | = | -10.71428571 | ||
| 5 | 63352 | 2458 | - | 2528 | = | -70 | * | (108 | / | 378) | = | -19.99999995 | ||
| 6 | 63355 | 2497 | - | 2552 | = | -55 | * | (94 | / | 378) | = | -13.67724864 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Onaga Elementary | -53 | ||||||||||||
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 | 63449 | 2413 | - | 2436 | = | -23 | * | (85 | / | 391) | = | -4.99999999 | ||
| 4 | 63452 | 2410 | - | 2485 | = | -75 | * | (98 | / | 391) | = | -18.79795395 | ||
| 5 | 63453 | 2459 | - | 2528 | = | -69 | * | (100 | / | 391) | = | -17.64705878 | ||
| 6 | 63456 | 2508 | - | 2552 | = | -44 | * | (108 | / | 391) | = | -12.15345265 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Onaga Elementary | -54 | ||||||||||||
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 | 63706 | 2423 | - | 2436 | = | -13 | * | (89 | / | 392) | = | -2.95153061 | ||
| 4 | 63707 | 2451 | - | 2485 | = | -34 | * | (100 | / | 392) | = | -8.67346936 | ||
| 5 | 63708 | 2460 | - | 2528 | = | -68 | * | (99 | / | 392) | = | -17.17346936 | ||
| 6 | 63709 | 2506 | - | 2552 | = | -46 | * | (104 | / | 392) | = | -12.20408161 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Onaga Elementary | -41 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -33 | -42 | -53 | -54 | -41 | -223.0 | -44.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -20.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -68.6
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 | 67% | 66% | 67% | 70% | 70% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Morongo Unified 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.
Onaga Elementary math proficiency
Zero+ meets standard.
61% less $meal
60% less $meal
60% less $meal
65% less $meal
63% 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.