Costa Mesa High (Data source)
Source data for Costa Mesa High
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 |
||
| 7 | 1496310 | 2520 | - | 2567 | = | -47 | * | (314 | / | 881) | = | -16.7514188 | ||
| 8 | 1496311 | 2535 | - | 2586 | = | -51 | * | (313 | / | 881) | = | -18.11918274 | ||
| 11 | 1496314 | 2559 | - | 2628 | = | -69 | * | (254 | / | 881) | = | -19.89330306 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Costa Mesa High | -55 | ||||||||||||
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 |
||
| 7 | 46923 | 2522 | - | 2567 | = | -45 | * | (327 | / | 919) | = | -16.01196953 | ||
| 8 | 46925 | 2522 | - | 2586 | = | -64 | * | (315 | / | 919) | = | -21.93688787 | ||
| 11 | 46927 | 2546 | - | 2628 | = | -82 | * | (277 | / | 919) | = | -24.71599564 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Costa Mesa High | -63 | ||||||||||||
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 |
||
| 7 | 48201 | 2526 | - | 2567 | = | -41 | * | (340 | / | 957) | = | -14.56635319 | ||
| 8 | 48202 | 2514 | - | 2586 | = | -72 | * | (335 | / | 957) | = | -25.20376171 | ||
| 11 | 48205 | 2562 | - | 2628 | = | -66 | * | (282 | / | 957) | = | -19.44827584 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Costa Mesa High | -59 | ||||||||||||
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 |
||
| 7 | 48209 | 2535 | - | 2567 | = | -32 | * | (313 | / | 927) | = | -10.80474646 | ||
| 8 | 48210 | 2530 | - | 2586 | = | -56 | * | (330 | / | 927) | = | -19.93527508 | ||
| 11 | 48212 | 2556 | - | 2628 | = | -72 | * | (284 | / | 927) | = | -22.05825242 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Costa Mesa High | -53 | ||||||||||||
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 |
||
| 7 | 48425 | 2529 | - | 2567 | = | -38 | * | (327 | / | 918) | = | -13.5359477 | ||
| 8 | 48426 | 2533 | - | 2586 | = | -53 | * | (320 | / | 918) | = | -18.47494548 | ||
| 11 | 48427 | 2563 | - | 2628 | = | -65 | * | (271 | / | 918) | = | -19.18845312 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Costa Mesa High | -51 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -55 | -63 | -59 | -53 | -51 | -281.0 | -56.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -44.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -68.2
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 | 72% | 67% | 62% | 63% | 63% |
| 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.
Costa Mesa High math proficiency
Zero+ meets standard.
58% less $meal
54% less $meal
51% less $meal
54% less $meal
55% 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.
High Schools (Public) schools in Newport-Mesa Unified (4)
| Corona del Mar High | Costa Mesa High | Estancia High |
| Newport Harbor High |