Coral Mountain Academy (Data source)
Source data for Coral Mountain Academy
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 | 1753445 | 2404 | - | 2436 | = | -32 | * | (157 | / | 611) | = | -8.22258592 | ||
| 4 | 1753448 | 2417 | - | 2485 | = | -68 | * | (170 | / | 611) | = | -18.91980354 | ||
| 5 | 1753449 | 2459 | - | 2528 | = | -69 | * | (142 | / | 611) | = | -16.03600648 | ||
| 6 | 1753452 | 2485 | - | 2552 | = | -67 | * | (142 | / | 611) | = | -15.5711947 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Coral Mountain Academy | -59 | ||||||||||||
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 | 54470 | 2403 | - | 2436 | = | -33 | * | (143 | / | 593) | = | -7.95784146 | ||
| 4 | 54472 | 2443 | - | 2485 | = | -42 | * | (151 | / | 593) | = | -10.69477231 | ||
| 5 | 54474 | 2455 | - | 2528 | = | -73 | * | (167 | / | 593) | = | -20.55817875 | ||
| 6 | 54477 | 2513 | - | 2552 | = | -39 | * | (132 | / | 593) | = | -8.6812816 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Coral Mountain Academy | -48 | ||||||||||||
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 | 56065 | 2417 | - | 2436 | = | -19 | * | (118 | / | 574) | = | -3.90592333 | ||
| 4 | 56067 | 2446 | - | 2485 | = | -39 | * | (142 | / | 574) | = | -9.6480836 | ||
| 5 | 56070 | 2476 | - | 2528 | = | -52 | * | (154 | / | 574) | = | -13.95121946 | ||
| 6 | 56071 | 2488 | - | 2552 | = | -64 | * | (160 | / | 574) | = | -17.83972122 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Coral Mountain Academy | -45 | ||||||||||||
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 | 56164 | 2411 | - | 2436 | = | -25 | * | (130 | / | 533) | = | -6.09756098 | ||
| 4 | 56166 | 2449 | - | 2485 | = | -36 | * | (123 | / | 533) | = | -8.30769228 | ||
| 5 | 56168 | 2486 | - | 2528 | = | -42 | * | (131 | / | 533) | = | -10.32270166 | ||
| 6 | 56170 | 2529 | - | 2552 | = | -23 | * | (149 | / | 533) | = | -6.42964351 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Coral Mountain Academy | -31 | ||||||||||||
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 | 56424 | 2422 | - | 2436 | = | -14 | * | (115 | / | 488) | = | -3.29918032 | ||
| 4 | 56425 | 2442 | - | 2485 | = | -43 | * | (127 | / | 488) | = | -11.19057374 | ||
| 5 | 56426 | 2495 | - | 2528 | = | -33 | * | (120 | / | 488) | = | -8.11475409 | ||
| 6 | 56427 | 2514 | - | 2552 | = | -38 | * | (126 | / | 488) | = | -9.8114754 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Coral Mountain Academy | -32 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -59 | -48 | -45 | -31 | -32 | -215.0 | -43.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.0
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 | 90% | 89% | 88% | 83% | 89% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Coachella Valley Unified school district | County of Riverside
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.
Coral Mountain Academy math proficiency
Zero+ meets standard.
79% less $meal
78% less $meal
76% less $meal
71% less $meal
73% 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.